COLOR ~ SCIENTIFIC SPECTRUM ANALYSIS

FOR EDUCATIONAL PURPOSES 
☆☆☆ 
American History, Brick Walls, Charts and Maps, Collections, Critical Analysis, Family Stories, Genealogical Writing, Research Methods and Tips. _______________________________________________________________

IMPACTFUL PEOPLE IN THE UNDERSTANDING OF 
LIGHT AND COLOR


Von Fraunhofer
Joseph Ritter von Fraunhofer (Straubing , Bavaria, 1787 – 1826, Munich) was a Bavarian optician, optical lens manufacturer, and physicist, He made optical glass, an achromatic telescope, and objective lenses. He developed diffraction grating and also invented the spectroscope with which he discovered the absorption lines of the solar spectrum . In 1814, he discovered and studied the dark absorption lines in the spectrum of the sun now known as Fraunhofer lines. The Fraunhofer Society owes its name to him.




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Herschel, Sir John
Sir John Frederick William Herschel, 1st Baronet  (1792 – 1871) was an English polymath active as a mathematician, astronomer, chemist, inventor and experimental photographer who invented the blueprint and did botanical work.




The image shows a page from a manuscript by Sir John Herschel regarding his early photographic experiments.  It features sketches and figures pasted onto a notebook page illustrating the action of the solar spectrum on photographic substances. The manuscript dates back to around 1840 and details experiments with substances such as ammonio-citrate of iron. This work relates to Herschel's pioneering contributions to photography, including the development of sensitized photographic paper. Herschel aimed to understand the interaction of light and matter through ephemeral photographic results and direct observations. In a letter to Forbes, he discussed the 19th-century theory of light, which posited that it was composed of three elements: visible light, heat, and a 'chemical action' of light. He translated their maximum effects into representative curves. To Lubbock, he reconciled visual and photographic impressions by translating them into a comparative pencil drawing.


HERSCHEL SOURCES:
●https://makingscience.royalsociety.org/in-focus/through-the-lens-experimental-photography-in-the-letters-of-sir-john-herschel


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Draper's Daguerreotype of Solar Spectrum

Draper, John
John William Draper (1811 – 1882) was an English polymath: a scientist, philosopher, physician, chemist, historian and photographer. He is credited with pioneering portrait photography (1839–40) and producing the first detailed photograph of the moon in 1840. He was also the first president of the American Chemical Society (1876–77) and a founder of the New York University School of Medicine.



Science Museum Group. Draper's daguerreotype of Solar Spectrum. 1948-316 Science Museum Group Collection Online.  https://collection.sciencemuseumgroup.org.uk/objects/co16983/drapers-daguerreotype-of-solar-spectrum.

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The Tartan Ribbon or Further Experiments of Maxwell’s Disappointment/Sutton’s Accident

by  1,* and 2,*


https://www.mdpi.com/2571-9408/6/2/54

References

  1. Maxwell, J.C. 1. Experiments on Colour as perceived by the Eye, with Remarks on Colour-Blindness. Proc. R. Soc. Edinb. 1857, 3, 299–301. [Google Scholar] [CrossRef]
  2. Maxwell, J.C. On the Theory of Compound Colours and the Relations, of the Colours of the Spectrum. In The Scientific Papers of James Clerk Maxwell; Maxwell, J.C., Niven, W.D., Eds.; Cambridge Library Collection—Physical Sciences; Cambridge University Press: Cambridge, UK, 2011; Volume 1, pp. 410–444. [Google Scholar]
  3. Klein, S.; Elter, P.; Vazquez, A.T. Maxwell’s disappointment and Sutton’s accident. J. Phys. A Math. Theor. 2022, 55, 491002. [Google Scholar] [CrossRef]
  4. Maxwell, J.C.; Niven, W.D. (Eds.) On the Theory of Three Primary Colours. In The Scientific Papers of James Clerk Maxwell; Cambridge Library Collection—Physical Sciences; Cambridge University Press: Cambridge, UK, 2011; Volume 1, pp. 445–450. [Google Scholar]
  5. Ives, F.E.; Parry, J.W. The Perfected Photochromoscope and its Colour Photographs. J. Soc. Arts 1896, 44, 517–528. [Google Scholar]
  6. Sutton, T. Photographic Notes; Sampson Low, Son & Company: London, UK, 1861; pp. 169–170. [Google Scholar]
  7. Evans, R.M. Maxwell’s Color Photograph. Sci. Am. 1961, 205, 118–131. [Google Scholar] [CrossRef]
  8. Ray, S.F. Applied Photographic Optics, 3rd ed.; Focal Press: Oxford, UK, 2002. [Google Scholar]
  9. Ehrt, D. UV-absorption and radiation effects in different glasses doped with iron and tin in the ppm range. Comptes Rendus Chim. 2002, 5, 679–692. [Google Scholar] [CrossRef]
  10. Skladnikiewitz, P.; Hertel, D.; Schmidt, I. The wet collodion process—A scientific approach. J. Imaging Sci. 1998, 42, 450–458. [Google Scholar
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REFLECTIVE LIGHT ON COLORS:  
NANOSTRUCTURE IN EARLY PHOTOS

While Joseph Nicephore Niepce and Louis Jacques Mande Daguerre may not have had any idea about nanotechnology when they created daguerreotypes in the 1830s, the scientists studying the nanoparticles today said daguerreotypes can be considered the first realization of plasmonic color printing. Future technology utilizing the same process may resemble daguerreotypes from nearly two centuries ago.

How nanostructures create the hues of the earliest photos
Microscopic particles give daguerreotypes a reddish cast when viewed from certain angles.
https://www.nature.com/articles/d41586-019-01839-7

VOGEL, Dr. Herman
The Chemistry of Light and Photography in their Application to Art, Science, and Industry by Dr. Hermann Vogel, first published in 1875.Cambridge University Press, 
Information
The Chemistry of Light and Photography in their Application to Art, Science, and Industry , pp. 14 - 22
DOI: https://doi.org/10.1017/CBO9780511795176.003
Publisher: Cambridge University Press
Print publication year: 2011
First published in: 1883

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The Light Farm

http://www.thelightfarm.com/
http://www.thelightfarm.com/cgi-bin/htmlgen.py?content=15Jan2012

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Assigning Colors to Victorian Fashion Photos

The Broke Costumer,Cindy, 2015 https://brokecostumer.blogspot.com/2017/10/assigning-colors-to-victorian-fashion.html?m=1

In going through my cabinet cards looking for sewing inspiration, and studying the different styles and fabrics used, my main thought usually is, "I wonder what color this dress is?"  I know that there couldn't be that many black dresses out there, and I also know that what looks like a black dress could be vivid red.  But is there a way to find out what colors these actually are? 

There are people out there who are masters of photoshop and other programs, colorizing old photographs beautifully.  But these are the artist's concepts of what they want to see.  They may not be the actual color of the original.

 First I must do a shout out to Olga of Klimbim.  She does the best colorization of vintage photos I've ever seen, believable and soft.  For example, this lovely, lovely early 1870s portrait.  You can discover more photos on her facebook page  https://www.facebook.com/klimbim.art/  She does have a website, however its in Russian.  The photos are beautiful though!

Olga interprets this dress as pale blue.  In reality, it could be any other color, including a darker color.
 





















Below,   Grand Duchess Anastasia Mikhailovna of Russia, colorized by Alixof Hesse




































 Another digital artist who does "photo manipulation" is GuddiPoland, who is found on Deviant Art, above right.

Above left is the original photo of the royal sisters Tsarina Maria Feodorovna of Russia, Queen Alexandra of the United Kingdom and Thyra, the Crown Princess of Hanover and Duchess of Cumberland and Teviotdale.

The photo on the left is colorized by Velkoknezna, also on Deviant Art.  I even found another example by a third artist with different coloring.

Which colorway do you like best?  More important, what are the ACTUAL colors of these dresses?





On the other side of the coin, you cannot take a color photo of a gown and use photoshop or another program to de-saturate it, and expect the results to match an original photograph.

Left, completely color de-saturated.       Center, turned sepia.                          Right, the original dress.



I was curious to find out if a 19th century photo can be turned back into its original color by assigning colors to the values of its grey scale.

DISCLAIMER:  I know nothing about photography, let alone 150 year old photography, so this post will be in layman's terms to the best of my limited understanding.  Even after reading several articles, I still don't really understand the chemical equations and other science-y things.

Obviously, the easiest way to determine the actual color of an outfit is to find the original extant garment in the photograph in question.


















By looking at the late 1870s dress above left, one might never guess its a beautiful, vibrant red. (from Antiquedress.com)  Also note, the photo's coloring does not match the modern methods of de-saturation shown above.  Compare the photo of the 1910s gown above right to the original dress.  Its apparent the photography developing process has improved greatly in 40 years between these two examples, and different filters/exposures/techniques have been used.


  
Above:  This beautiful 1888 gown from the House of Worth is kept at the Met Museum.  Would you guess this was the color combination?




















Above left:  Masquerade dress worn by the Grand Duchess Maria Pavlovna for the 1903 costume ball at the Winter Palace.  Above right:  Empress Maria Fyodorovna, designed by Charles Worth, Paris, 1890s.  Gown located at The Hermitage. 
 Photographers in the nineteenth century employed a wide variety of materials and processes; everything from honey to uranium found its way into one method or another.  In some cases, there is no way to tell, short of exacting scientific analysis, just what sort of variation was use to obtain a specific result.

Look at the example to the left.  Would you have thought the gown in the photograph was this deep plum color?  The following paragraphs describe the processes used to achieve this.

Now, lets listen to the experts regarding color:

Black and white film records shades of gray 'logically'. If you take a b&w picture of a blue and yellow beach ball, you expect that the blue will record dark and the yellow light. Of course. Except, it wasn't always so. If you had asked someone (before) 1900 what a photograph of a blue and yellow beach ball should look like, they would have said the blue is light and the yellow dark. Their expectation of 'correct' was based on the colorblind film in use at the time — their technological/cultural frame.

The first silver gelatin negative was straight silver bromide and gelatin — a combination sensitive only to UV and blue/violet light. The blue on the beach ball exposed well — the yellow much less so. The print of the negative reversed the values and blue became light and yellow dark.

In 1884, Josef Eder discovered that erythrosin dye caused an emulsion to become sensitive to all light except deep orange and red. Blue eyes were no longer a ghostly white, but everyone still 'knew' that a woman's lips photograph black. The emulsion was dubbed ortho-chromatic, implying its 'correct' color balance. (This was a bit of premature marketing. When emulsions added the deep orange and red bands of the spectrum, marketers had to come up with a new name — panchromatic, meaning 'all colors'.) Orthochromatic emulsions and colorblind emulsions were in use simultaneously for years. At the time, colorblind plates were more commonly referred to as 'ordinary'.

That's the bare bones, but the whole picture was amazingly complex. Different brands and types of plates and films were sensitive to different exact wavelengths of light. Between orthochromatic and panchromatic is a whole range of red sensitivities. Back in the day, a typical photographer might have worked with a half dozen different films, and a dozen different filters to further tweak the materials.  Link to awesome article













So the "colorblind", or non-filtered early photographs, would make it quite difficult for us to make out any true colors.  The above article shows us a chart of  how this colorblind photography affects colors.

Above, original colors.
Right, the colorblind translation.  Note how the  red is black, and yellow is a very dark gray color. Early photos showing a dark dress may have really been sunshine yellow!  The magenta and bright blue look off white.

As stated above, when Ortho emulsions were added, it corrected the colors quite a bit. Below are two photos, one colorblind and one with Ortho emulsions.
 
You can see how the colors have been corrected, especially the on the two yellow tags, which look like black tags on the left (colorblind).  The tags on the right are now closer to yellow, after using Ortho emulsions.  For further photos of color charts with different filters and emulsions, please refer to the article link above.

Here is a photo of Dorothy Catherine Draper, sister of NYU professor John Draper and model for the
first daguerreotype portrait of a woman in the United States in 1839. She was the first woman to be photographed with her eyes open! source
The earliest American attempts in duplicating the photographic experiments of the Frenchman Louis Daguerre occurred at NYU in 1839. John W. Draper, professor of chemistry, built his own camera and made what may be the first human portrait taken in the United States, after a 65-second exposure. The sitter, his sister Dorothy Catherine Draper, had her face powdered with flour in an early attempt to accentuate contrasts.

To me, if this was shot "colorblind" (no filter), her dress and bonnet may be any color on the above chart that corresponds with "white".  Its difficult to tell what she is holding in her arms, but I will guess maybe flowers?  The dark flower heads could be yellow or red.  

For most of the first century of photography photographic plates and films were not sensitive to the whole spectrum of visible light.   The first panchromatic plate was produced in 1903, a patent obtained by Adolf Miethe and Arthur Traube for the use of the dye ethyl-red. However it wasn't until 1906, when chemist Benno Homolka discovered pinacyanol, that adequate red sensitivity was achieved.  Hermann Wilhelm Vogel created the first panchromatic plate in 1884, by use of a dye mixture he called 'azaline'; however they were "feebly sensitive, less stable, and required strong light filters to subdue the blue", so perhaps for this reason Vogel's early efforts are no longer regarded as the first.  Source

So colors were still pretty wonky (my tech term) in the early 1880s.

 Finally, lets look at an article on modern photography about  using color filters on black and white photography. Another awesome link    Please read this article, they deserve the credit :)

A common problem in black and white photography is that certain colours look very similar when converted into greyscale. For example, some shades of red, green, and blue look completely different in colour, but almost identical in black and white.  This can cause objects in a black and white image to blend into one another, leaving you with a photo which is flat and lifeless, and lacking in contrast and definition.

Coloured lens filters offer a solution to this problem because they affect the way colours are "converted" to black and white. This allows you to control the way they appear in the final image, ensuring that objects are well separated and clearly defined.  There are 5 filter colours that are commonly used in black and white photography - red, orange, yellow, green, and blue. Each lets through its own colour of light and blocks other colours to varying degrees. For example, a red filter will let red light through, but block most green and blue.



It is possible to figure out what the colors in an old photo might have been, but its a lot of work and there are so many variables:   The year the photo was taken and what developing processes were used.  Was it shot colorblind, with an emulsion of some sort, or colored filters?   Length of exposure, film type and so much more.   As for me, I will continue to guess, look at colorized photos, or search for extant gowns on line.
,   Grand Duchess Anastasia Mikhailovna of Russia, colorized by Alixof Hesse



Process for picking colors:

Research - find color photos or descriptions of the subject to use as a template. I've spent many hours looking up tiny details like military service medals.

Balance - If research doesn't work, find colors that match the overall look of the photo

Guess - If neither 1 nor 2 work, just throw a color on there and hope for the best (make sure your light levels match up)
The grayscale image only contain the brightness of an object but not its hue or saturation. The artist will therefore have to make up these by themselves. Often you can research a bit about the objects to find their hue. For example peolpe have the same hue skin color, militaries have the same hue uniforms, etc. The saturation on the other hand is more or less guesswork


AI programs to convert b&w to color

Flux Kontext Black Forest Labs
 basic restorations where the overall picture is still recognizable and its fantastic complement with Photoshop and other tools like GPF-GAN and KolorizeCC.
Kaze.ai


























#ISENRING TINTING, #MALLINCKRODT PHOTOGRAPHIC CHEMICALS, #Reeves & Inwood, #Guerra Paint and Pigment Corp, 


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ISENRING TINTING
The Isenring tinting technique was an early method for hand-coloring daguerreotypes, invented by Swiss photographer Johann Baptist Isenring around 1840. This process was significant because it was one of the first successful attempts to add color to photographs, which were originally monochromatic. 
How the technique worked
Isenring's method used a mixture of gum arabic and finely ground, powdered pigments.
Instead of being applied wet like watercolors, the pigment was applied dry, allowing for more subtle and controlled application.
The dry pigment was carefully stippled or dusted onto the daguerreotype plate, often with fine camel-hair brushes.
The colors were fixed to the plate by breathing on the surface, which created a bit of moisture and caused the gum arabic to set, holding the pigments in place. 
Improvements and legacy
In 1842, Englishman Richard Beard bought the British rights to Isenring's process and patented several improvements, including the use of stencils to isolate areas for coloring.
The practice of tinting daguerreotypes became very popular in the mid-19th century, especially for portraits, before the invention of color photography.
Isenring's technique helped to bridge the gap between photography and fine art, offering a way to add a "free-hand" artistic element to the photographic medium. 364 
DAGUERREOTYPE COLORING KIT
Estimate: 
$2,250 - $2,750
Current bid: $1,300
LIVE AUCTION
Civil War & African American History
Description
Wonderful mahogany box with hinged lid and drawer containing all the elements used for adding color to daguerreotypes and salted paper prints. The kit includes fourteen vials with pigments, one brush, various small glass vessels, along with a brass alcohol burner. An extra bonus is a half-dozen sheets of 24 karat gold leaf, which was often added to enhance gold/brass colored elements of a subject’s dress (earrings, rings, etc.).

This piece was likely originally owned by the photographer W. H. Lockhart, who was active in Bryan, Ohio in the 1850s and who advertised “faces in natural color.” Mr. Lockhart's business card is included with the kit.

Previously in the Jack Naylor Collection, liquidated by Guernsey’s in 2007. Privately held since. At the time of the sale it was described as "a complete daguerreian coloring kit…the only such set known to exist.”
https://bid.fleischersauctions.com/lots/view/1-7M4FAX/daguerreotype-coloring-kit














MALLINCKRODT PHOTOGRAPHIC CHEMICALS











Tinting 









The Making of a Daguerreotype, by Matthew R. R Isenburg

This illustrated brochure was prepared by Matthew Isenburg in conjunction with the exhibit Mirror with a Memory: The American Daguerreotype, on display at the Nelson-Atkins Museum of Art from October 13, 2001 through January 6, 2002, curated by Keith F. Davis.


Camera ca. 1854 on Iron Center Tripod


Palmer and Longking Daguerreotype


Camera ca. 1854 on Iron Center Tripod


Copyright 2001 by Matthew R. Isenburg


Hadlyme CT 06439-0189


Technical Assistance by Michael Robinson




This brochure intends to serve two purposes:


1) Primarily, by guiding the reader through the process step by step, it may help the beginner develop an understanding of the complexities, pitfalls and mysteries of daguerreotypy. Warning: Do not use this brochure to actually attempt the making of a daguerreotype. The chemical procedure is far too dangerous for the incomplete information provided here. It deals with the physical manipulations and timing more than the chemistry of the process to give the reader a general feeling rather than a highly technical demonstration. Through review, using pieces only contemporary to the period, the advanced observer may develop a better understanding of how the craft affected the art. Thus, this pictorial



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Making A Daguerreotype

Video: Making of a Daguerreotype, by Takashi Arai

Japanese photographer and daguerreotypist Takashi Arai demonstrates the daguerreotype process at his studio. This video was made by Masafumi Ishikawa.

The Making of a Daguerreotype, by Matthew R. R Isenburg

This illustrated brochure was prepared by Matthew Isenburg in conjunction with the exhibit Mirror with a Memory: The American Daguerreotype, on display at the Nelson-Atkins Museum of Art from October 13, 2001 through January 6, 2002, curated by Keith F. Davis.

Camera ca. 1854 on Iron Center Tripod

Palmer and Longking Daguerreotype

Camera ca. 1854 on Iron Center Tripod

Copyright 2001 by Matthew R. Isenburg

Hadlyme CT 06439-0189

Technical Assistance by Michael Robinson

This brochure intends to serve two purposes:

1) Primarily, by guiding the reader through the process step by step, it may help the beginner develop an understanding of the complexities, pitfalls and mysteries of daguerreotypy. Warning: Do not use this brochure to actually attempt the making of a daguerreotype. The chemical procedure is far too dangerous for the incomplete information provided here. It deals with the physical manipulations and timing more than the chemistry of the process to give the reader a general feeling rather than a highly technical demonstration. Through review, using pieces only contemporary to the period, the advanced observer may develop a better understanding of how the craft affected the art. Thus, this pictorial instruction manual is offered for step by step making of a daguerreotype, utilizing only the finest examples of vintage equipment from the 1840s and the 1850s.

2) Through the photographs and information presented in this brochure, the reader will be able to identify and perhaps even rescue early equipment that might otherwise have been lost or forgotten. The very tools used for creating daguerreotypes are sculptural art in themselves and should be preserved and cherished along with the fascinating images they helped create.

THE PROCESS

It can be divided into many steps. In the interest of simplicity, both in this brochure and for display purposes, we chose to use five basic steps.

STEP I: PREPARING THE PLATE (20 to 25 minutes)

By far the most time consuming and labor intensive of the five-step process.

1) Remove a plate from the plate box (a).

2) If not pre-crimped in manufacture, use plate bender (b) to turn down edges. This takes less than a minute. Perfectly flat plates (c) were produced in the early years. Later, they were pre-bent at the edges (d) to aid insertion in a plate vice (i).

3) Remove buffing stick (e) from storage or warming box (f). Only one shown in this illustration, but each polishing agent gets its own buffer.

4) Vigorously scour the crimped plate (d) with powdered rotten stone (not illustrated) to remove surface imperfections.

5) Rub chalk rouge (g) on deerskin side of buffing stick (e).

6) Much more common was powdered rouge (h). Sprinkle on buffing stick and rub powder into surface of the hide (e).

7) Install plate in Benedict’s plate holder (i), one of many gadgets sold commercially for securing the plate while buffing.

8) The entire assembly is clamped onto a wooden table vise (j). The vise is fastened to the table or bench. Now polish or buff the plate (always in the horizontal direction of what will be the finished image) for about 20 minutes to get a perfect mirror finish. The use of a treadle driven buffing wheel could measurably shorten the time of this step.

9) Lime from these bottles (k) is used to bed or cradle the bromine in the bottom of the glass tray which is inside the second coating box (n).

10) Insert buffed plate (m), face down in the sliding cover which is double the length of the box, and slide the plate into position over box containing iodine (l). When the plate turns light yellow, (usually about 15 to 25 seconds) remove from this box. The iodine stays good for years when kept in its sealed coating box so it is always ready to be used.

11) Move the plate (m) to the bromine box (n) and slide into position for approximately 5 to 10 seconds till the plate turns rose colored. When this takes over 15 seconds, the bromine (or quick stuff) has weakened and a pinch more should be added to freshen up the existing chemical. It will then stay potent for months.

12) Now in darkness, return plate to the iodine box (l) for a few seconds. This completes the coating, and you now have a properly sensitized plate.

13) Insert polished and sensitized plate in a plateholder (o) and close dark-slide, (shown partially open in this illustration).

14) All polishing except for the quick final buff of the plate with lampblack (not illustrated) is done in advance so the sitter can enter the studio and receive a finished likeness in less than thirty minutes!

STEP II: TAKING THE EXPOSURE (2 to 8 minutes)

1) Place the camera (a) on a tripod, (see Illustration Page 1).

2) Open trap doors (b) and (c) on top of camera .

3) Remove lens cap (d) from front of lens (e).

4) Insert the ground viewing glass (f) in open slot on camera top.

5) Focus lens (e) and compose your subject in its frame until you are satisfied. This usually takes more time than the actual exposure. Lightly replace lens cap (d).

6) Remove the viewing glass (f) from camera (a) and replace with the loaded plateholder (g) with dark-slide (h) in down position. (Though in the illustrated detail of this layout, an extra plateholder (g&h) is displayed partially drawn up in order to show the polished and sensitized daguerreotype plate’s position (i) within the plateholder (g).

7) With the plateholder in the camera, pull up the dark-slide as far as possible (h2), then remove and replace the lens cap (d), using it as the shutter. Normally indoors with good light this takes from ten to twenty seconds though most operators advertised much quicker exposure times to lure the gullable. If the advertising were to be believed, there would have been no need for headstands (see Illustration, Item 4).

8) Drop the dark-slide (h2) tob secure the exposed plate from any further light and remove the plateholder from the camera.

STEP III: DEVELOPING, FIXING AND GILDING THE DAGUERREOTYPE (6 to 10 minutes)

1) Pour a small amount of mercury (a) into the cast iron fuming box (b).

2) In a vented dark room, light glass alcohol lamp (c).

3) Center the lamp on cast iron base under the bottom tip of inverted pyramid, slip thermometer (not illustrated) into the side slot (d) and heat mercury to approximately 175 degrees Fahrenheit.

4) With plate (e) face down on the heated fuming box (b), the image will develop by exposure to the fumes. This is where experience is necessary, since only trial and error can tell you when the plate is ready. In general this usually takes from 2 to 3 minutes.

5) In the glass tray (f) filled with hypo-sulfate, immerse plate face-up to arrest further chemical action. (This removes all the remaining light-sensitive chemicals).

6) Pour distilled water from bottle (g) over plate a few times in another tray to further remove unwanted chemicals.

7) Place plate (j) on gilding stand (h) and adjust screws to level the image so gold chloride won’t run off the plate when applied. This is more important with larger plates, since smaller plates can be leveled quite easily using hand pliers to grasp plate by its corner with no run off of liquid.

8) Light the Holmes Booth and Haydens brass spirit lamp (i) and gently pour on the gold chloride, which when heated, bonds to the silver image. This hardens the surface of the image (j) and makes it richer in tone.

STEP IV: HAND COLORING THE IMAGE This step is optional. (2 to 10 minutes)

1) Open the coloring box and choose the appropriate bottles of finely powdered colors (a).

2) Install on palette (b) as needed.

3) To mix colors use the white fabric interior of lid (c).

4) With a fine brush (d), sparingly stipple the dry color directly on the developed plate. Use squeeze bulb (not illustrated) to remove excess pigment. A soft brush or cotton can be used to soften and blend the color applied to the cheeks. Some suggest breathing gently on the plate to make the dry powders adhere more readily.

5) The most common request is for tinting of the woman’s lips and cheeks. There are two extra cylindrical wood containers of powdered colors labeled "CARMINE" and "LADIES FLESH COLOR" (e) since they are in such high demand.

6) The two small enamel dishes (f) are for applying liquid gold or silver on the plate to accentuate jewelry, gold objects or gold braid on clothing

7) A small prick or hand-punch tapped directly on the plate could be further used to accent diamonds, pearls or other jewelry. (Not illustrated)

8) Sixth plate daguerreotype (g), maker unknown, ca. 1853 of a man tinting an image using an outfit identical to the one in the illustration. To its right is shown a tinted sixth plate daguerreotype (h), maker unknown, ca. 1853 of an actor, wearing a red and grey tunic adorned with gilded trimmings showing an example of both hand coloring and gilding.

STEP V: PROTECTING, PRESERVING AND PRESENTING THE FINISHED PRODUCT (2 to 4 minutes)

1) Wafer a brass mat (b) between the image (a) and a glass rectangle of the same size (c) as shown in the exploded daguerreotype on left.

2) Remove proper amount of sealing paper from roll (d1). Apply glue to one side of sealing paper (d) and place around edge of the glass, then fold backwards and press on back of plate. It is now a sealed daguerreotype.

3) Remove frame-like mat preserver from open stack (e1) or one half gross box (e2) and encase and wrap around the sandwiched layers of image, mat, glass and seal. Mat preservers first came into common usage ca. 1847.

4) From rear it should now look like (f). From front it should look like (g).

5) Insert in case (h) and present to recipient. Please note that usually the velvet or satin is on the left (i) and the image is inserted on the right (j).

FAQ

Making A Daguerreotype

Useful Links

Bibliography

Daguerreian Annual Tables Of Contents

Daguerreian Annual Index

Webinars / Educational Programs

The Society regularly organizes educational programs exploring various aspects of the history, technology, art, and preservation of 19th-century photography.

The Dagguerreian Society

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Phone: 412-221-0306

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Resources

https://www.daguerreiansociety.org/Making-a-Daguerreotype

Pigments:                                                           

 Guerra Paint and Pigment Corp.                                 21 Wythe Ave, Brooklyn, NY 11249  https://www.guerrapaint.com/              

Kremer pigments.                                                        247 W 29th St, New York, New York 10001

https://shop.kremerpigments.com/us/






Thomas Reeves and Son 80 Holborn Bridge, London. watercolor boxes:  http://www.whimsie.com/t%20reeves%20and%20son%20watercolor%20paint%20box%201784%20to%201794.html



This rare late 18th.Century Sheraton style mahogany artists paint box bears the original maker's label for "Reeves & Inwood" and states "Superfine Colour Preparers" to the Royal Family and Academies at The King's Arms & Blue Coat Boy and 300 New Church, Strand, London. The good quality box is inlaid with satinwood between boxwood and ebony stringing with boxwood corners and edging. It has silver plated carrying handles with ivory escutcheon and turned drawer pulls. The Moroccan leather lined lid lifts to a well fitted interior which includes 8 glass bottles and stoppers (1 or 2 chipped), a lift out paint tray with original labels and later watercolour tablets, a removable tray with 6 porcelain paint mixing bowls, 9 small, old paint jars and 2 Moroccan leather and ivory lidded compartments. The drawer is released by a brass bolt located in the top edge and contains a white porcelain paint mixer and several compartments. A rare item in very good condition and still retaining many original features. Size:- Width..12''...30.5cm. Depth..8.5''...21.5cm. Height..3.75''...9.5cm. Free delivery to most of U.K.


Reeves and Inwood Reeves & Inwood Watercolour Box of impressive size, c.1800. William Reeves was a colour manufacturer who lived in Islington he took John Inwood as an apprentice in September 1787 and then into partnership by 1796 when they advertised their products, they had ceased to trade by 1816. The present box can be dated fairly accurately to between 1796 and sometime before 1816. On the trade label, Reeves & Inwood are described as: ‘Superfine colour preparers’ and listed as having premises at 299 Strand. The label depicts a ‘Blue Coat Boy’, or pupil at Christ’s Hospital, which had a long tradition of appointing drawing master’s throughout the eighteenth century, including members of the Lens family of miniaturists and Alexander Cozens who was appointed in 1749.

The label also lists Reeves & Inwood as the winners of a ‘Bounty’ from the Society for the Encouragement of Arts, Manufactures and Commerce for ‘their invention of superfine water colours in cakes’. In 1781 Thomas and William Reeves submitted a box containing watercolour in cakes to the Society for the Encouragement of Arts, Manufactures and Commerce. The society referred the cakes to a panel of artists for assessment, and their comments were enthusiastic as the cakes of colour were more economical to use than anything previously marketed and the chemical composition of the pigments was markedly an improvement on those of existing products. The portability of Reeves’s new watercolour cakes made them ideal for artists who wanted to take them on tour and to work out of doors, en plein air. It is notable that George Raper, the First Fleet artist who recorded the flora and fauna of newly settled Australia, travelled with a Reeves box. Our example is well preserved with a good set of period watercolour cakes and an amazingly complete set of internal fittings.




[Stationery and vintage art supplies]. W.J. Reeves & Woodyer. Boxed travel or outdoor watercolour set, Mahogany box w. hinging lid (22x17x6 cm.), inside w. compartments for i.a. 12 paint blocks (w. printed strips w. colour names mounted on compartment edges), the contens listed below, inside lid w. mounted engr. publisher's vignette (15,5x19,5 cm.), London, W.J. Reeves & Woodyer, ±1800. - Used box. Lacks the glass washing bowl; most paint blocks from manufacturers other than Reeves & Woodyer, in partial/ fragmented form, the manufacturer's stamps illegible; publisher's vignette stained; one box hinge broken (box still tight and strong). = Nice comprehensive outdoor watercolour set, containing five rather intact paint blocks (1x from Reeves & Woodyer) and many fragments, 3 china palettes, 7 brushes (4x wood and metal, 2x (partly) made of a porcupine quill), a small glass bottle w. gold colouring on inside, a few pieces of charcoal/ crayon, a small cylindrical board box containing blue powder (publ. ticket on lid: "Magazijn van Schrijfbehoeften S. Benedictus (...) Rotterdam"), a metal quill's top, two parts/ remnants of paint tubes (from German manufacturers), a paint-stained piece of cloth, 







Winsor and Newton , Rathbone Place, Artist's Watercolor / Paint Box, circa 1885





R. Ackerman




G. Rowney & Co. label. The tray holding the paint has the label of Rowney, Dillon Rowney which makes this box a transitional box when George Rowney took on the partner Mr. Dillon with His son (Ro









FRENCH








Fabulous antique French Bourgeois Aine artist's watercolor paint box, a 3-tier expanding chest with lots of original contents! These almost always sell as quickly as we find and list them, whether it's for the antique French paints inside or to use as a decorative accent. This one quite unique with the scroll cut hinges at the sides and three levels of fittings, porcelain mixing palettes, glass covered jars and more. The box, several pieces and even some of the paints bear the marking of Bourgeois Aine, a prominent French maker of paints and kits. The diamond-shaped logo featuring the letter "B" flanked by caducei, with the words "PARIS" at top and "DÉPOSÉ" at bottom is for Bourgeois Ainé, an artist supply shop once located in Paris near the Musée du Louvre.

Before opening the store in 1867, its founder François Alexandre Joseph Bourgeois (b. 1830) had invented alizarin lacquer, which led to the production of some of the first nontoxic paints. By 1898, Bourgeois Ainé was operating out of a storefront located at 18 rue Croix des Petits Champs (now 24 rue des Petits-Champs) and was affiliated with three factories in the outskirts of Paris. The shop's inventory expanded to include tubes of paint as well as a full array of artist supplies, ranging from specially designed paint boxes, brushes, pastels, watercolors, and easels, to stools, shade umbrellas, and a variety of canvases (including the wooden frame that supports the canvas of Picasso's The Scallop Shell: "Notre Avenir est dans L’Air”, c.1912).


Exposition awards :

• 1873 Vienne (médaille de mérite)

• 1876 Philadelphie (médaille)

• 1878 Paris (médaille d'argent)

• 1889 Paris (2 médailles d'or, 1 médaille d'argent)

• 1900 Paris (3 médailles d'or)

• 1904 Saint-Louis (Grand Prix)

• 1906 Milan (Grand Prix)

• 1907 Bruxelles (Grand Prix)

• 1908 Londres (Grand Prix)


Very good condition. As you can see, the clasp on the front of the box is missing but the rest is in great shape, the wood is maple I think. The contents are just as they appear in the images, most of the watercolor paint tiles have been used somewhat, some more than others. A few missing items surely but quite a few intact. See pictures for all measurements. 









art material making companies (https://inbedwithmonalisa.com/links-to-all-pages/)

Jacques Blockx at the Blockx factory (Belgium)

Jim Cobb from the Chroma factory (Sydney, Australia)

the Coates dynasty (Stoke-St-Gregory, Somerset, England)

The Daniel Smith factory (Seattle, U.S.A.)

two generations of Escodas (Barcelona, Spain)

166 Golden owners (New Berlin, New York, U.S.A.)

Art Guerra from Guerra Paint and Pigment Corp. (New York City, New York, U.S.A.)

Houkodou a brush making company in Kumano, Japan

The Kobaien sumi ink factory (Nara, Japan)

David Coles (and Louise!) at Langridge Artists Colours (Melbourne, Australia)

David Coles (in-depth interview) from Langridge Artists Colours (Melbourne, Australia)

R & F, aka Richard Frumess (Kingston, New York, U.S.A.)

Isabelle Roché & Margaret Zayer from La Maison du Pastel (Paris, France)

Dominique Sennelier from Sennelier (Paris, France)

Daniel Smith, aka John Cogley (Seattle, U.S.A.)


This is an advertisements but I really like this lady and her presentation. I have been reading about the chemistry of how they tinted early dageurreotype photographs and I love this ladies explanation and delivery. 

Veridian green:  https://m.facebook.com/reel/134881082947231/?referral_source=external_deeplink

Burnt umber, burnt sienna, (iron oxide)        https://www.facebook.com/reel/638463388019626?mibextid=UT8rzV

Verdachio technique from the Renaissance, red lake glaze, green earth: https://www.facebook.com/reel/685655926723243?mibextid=UT8rzV

Venetian red: https://www.facebook.com/reel/849087346625534?mibextid=UT8rzV.   Article:  https://www.jacksonsart.com/blog/2022/08/31/venetian-red-the-red-earth-pigment-that-evokes-the-italian-renaissance/?fbclid=IwAR12FPpLmhDd3tL3zSnAzojBh7U5DgItFRlhuVkg3OsKau5mwvyVsN7Zczg

Potter's pink for granulation in watercolor:  https://www.facebook.com/reel/127888056980810?mibextid=UT8rzV

Lead tin yellow and 1960's nickel tintinate:  https://www.facebook.com/reel/676744530943100?mibextid=UT8rzV

Prussian blue and binder ph:  https://www.facebook.com/reel/1019685709060689?mibextid=UT8rzV

Screen printing:  https://www.facebook.com/reel/5401572109953186?mibextid=UT8rzV

Screen Inks:  https://www.facebook.com/reel/1401708363631060?mibextid=UT8rzV

Oil quality:   https://www.facebook.com/reel/445562264098255?mibextid=UT8rzV

Acrilic:  https://www.facebook.com/reel/726390332111706?mibextid=UT8rzV

Venice and the pigment trade


MOSES WARREN AND THE QUINENBERG GOLD COMPANY, Mark S. Johnson Dag Soc. 2012.





APPENDIX

Blue







Gold Leaf
Three of the 10 largest companies by market cap that engage in gold mining, Fresnillo, Buenaventura and Freeport-McMoran (copper/molybdenum) are not included in the first list because they are minor gold producers/most of their revenue comes from a metal other than gold (Fresnillo and Buenaventura rely more on silver, in


https://the-nightly-news.com/blog/blog-162-color-part-2?fbclid=IwY2xjawK49i1leHRuA2FlbQIxMQABHq7nf_DEP1I3nHU8K0E7gExqqXAeKHGxW0BC_6Kg1h1brb2ySdpC-ktkQj_I_aem_oBPKtJ2-F-yOmdWETcGL6A




TINTING. COLOR 
https://www.sarafergusonphotographic.com/notes/2014/6/15/in-living-color-hand-painted-daguerreotypes 
Photographic supplies ~ chemicals 
MALLINCKRODT CHEMICAL COMPANY, NY, AND ST. LOUIS 
Silver and copper supply/ minted 
Pennsylvania, Chestnut St., Philadelphia, Penn 
36 Chestnut, 136, 428, 814, Broadbent, Samuel 36 Broadbent 100 Chestnut, Collins, D. C., daguerreotypist, 100 Chestnut St., Philadelphia, PA (1850-1851) PA Business Directory 
"100 Chestnut, Collings' Daguerrean Rooms, No. 100 Chestnut Street, Ground Door Above the Ledger Corner, Philadelphia. The Oldest Establishment in the City, Prices Reduced. ""Come and See"" ap-59 tf. Source: Camden Democrat , June 12, 1858, page 1 column 1 bottom" 
142 Chestnut, Barratt & Brother, daguerreotypists, 142 Chestnut, Philadelphia, PA (1850-1851) PA Business Directory 
198 Chestnut, Bailey, Jason, 198 Chestnut St. Philadelphia, (LOC). 
216 Chestnut St. US MINT, 216 Chestnut St. PHILADELPHIA, PENNSYLVANIA 
914 Chestnut, Broadbent and Taylor 
Schmincke Horadam Aquarell 
Schmincke Horadam Aquarell 
Winsor & Newton paint 
Reeves Inwood 
Pochade Box For Outdoor 
M.@ 
M.A. Gaudin 1844 
Hippolyte fizeau (gold toning) 
M. Leotard 1843 pat. (ox stomach, paint, varnish) 
Charles Chavelier (glass paint) 
M. Reginald (stains for enhancing gems with fish glue 
Johan Baptist Isenring, Swiss (oil based pigments) 
Johan Baptist Isenring (dried gum aribic and water color pigment stencils
Antoine Francios Claudet spirits of wine
J. E. Mayall 
Edmund becqueril 
Mansion 
fish glue, sugar, or gelitine 
Robert Hunt's coating kit from treatise. Samuel D. Humphrey 
Alfred Wall 
Henry H. Snelling 
https://www.thesewingacademy.com/2013/05/curious-about-color/ 
Egerton brothers, Jeremiah and John, "LAW REPORTS OF PATENT CASES.
BEARD V. EGERTON AND OTHERS.
In the Court of Common Pleas, before Lord Chief Justice Tindal, Mr.
Justice Coltman, Mr. Justice Creswell, and Mr. Justice Erie.—24th
April, and 22d May, 1846."
Richard Beard 
"R. Derek Wood. BOOK
The arrival of the daguerreotype in New York / by R. Derek Wood.
Wood, R. D. (Rupert Derek), 1933-
Bromley : R.D. Wood, [1995]" THE ART-UNION AND PHOTOGRAPHY, 1839-1854: THE FIRST FIFTEEN YEARS OF CRITICAL ENGAGEMENT BETWEEN TWO CULTURAL ICONS OF NINETEENTH-CENTURY BRITAIN
Claudet studio 
"Pietro Becchetti...

Have you got a name for Bioni?" Italian
Dag "R. Derek Wood

Annals of Science 54 (5):489-506 (1997)   Copy   BIBTEX

Abstract

Summary L. J. M. Daguerre realized it was impossible to capitalize by subscription or to patent his daguerreotype technique. In January 1839 François Arago, both scientist and Republican politician, suggested that financial support for Daguerre should be sought from the state in return for his secret. The idea made no immediate headway because of governmental breakdown. Only after a new cabinet was established in May 1839 could any procedure be set in motion to obtain the agreement of parliament. After discussing attitudes towards patents and pensions during the July Monarchy, the article documents the way the Bill for a pension passed through parliament in June and July 1839. An annotated bibliography of the government Bill and Arago's Report to the Chambre des Députés are provided, as well as Arago's Lecture of 19 August 1839 by which a description of Daguerre's process was released to the world

"
The French Revolution lasted from 1789 until 1799. The Revolution precipitated a series of European wars, forcing the United States to articulate a clear policy of neutrality in order to avoid being embroiled in these European conflicts. 
http://www.whimsie.com/american%20brand%20antique%20watercolor%20paint%20%20and%20supplies.html 
Bourgeois Aine near the Musée du Louvre
Venician Color Sellers (16th 17th centuries) vendecolori or dai colori (color sellers), men and women specialized in the import, export, manufacturing, and sale (both wholesale and retail) of materials which could be used as pigments, dyes, and medical simples. https://venetianvendecolori.org/
"COLOR MATTERS: COLOR AND BRAIN
COLOR MATTERS: COLOR AND BODY
COLOR MATTERS: COLOR AND VISION
COLOR MATTERS: COLOR & DESIGN - ART
COLOR MATTERS: COLOR AND SCIENCE
COLOR MATTERS: COLOR AND THE WORLD
COLOR MATTERS: COLOR AND COMPUTERS
COLOR AND SOUND THERAPY
History of photography: Daguerre pictures
DAGUERRE Louis Jacques Mande" 
COLOR MATTERS: COLOR AND BRAIN 
COLOR MATTERS: COLOR AND BODY 
COLOR MATTERS: COLOR AND VISION 
COLOR MATTERS: COLOR & DESIGN - ART 
COLOR MATTERS: COLOR AND SCIENCE 
COLOR MATTERS: COLOR AND THE WORLD 
COLOR MATTERS: COLOR AND COMPUTERS 
COLOR AND SOUND THERAPY 
History of photography: Daguerre pictures 
DAGUERRE Louis Jacques Mande 



Assigning Colors to Victorian Fashion Photos


In going through my cabinet cards looking for sewing inspiration, and studying the different styles and fabrics used, my main thought usually is, "I wonder what color this dress is?"  I know that there couldn't be that many black dresses out there, and I also know that what looks like a black dress could be vivid red.  But is there a way to find out what colors these actually are? 

There are people out there who are masters of photoshop and other programs, colorizing old photographs beautifully.  But these are the artist's concepts of what they want to see.  They may not be the actual color of the original.

 First I must do a shout out to Olga of Klimbim.  She does the best colorization of vintage photos I've ever seen, believable and soft.  For example, this lovely, lovely early 1870s portrait.  You can discover more photos on her facebook page  https://www.facebook.com/klimbim.art/  She does have a website, however its in Russian.  The photos are beautiful though!

Olga interprets this dress as pale blue.  In reality, it could be any other color, including a darker color.
 




















Below,   Grand Duchess Anastasia Mikhailovna of Russia, colorized by Alixof Hesse




































 Another digital artist who does "photo manipulation" is GuddiPoland, who is found on Deviant Art, above right.

Above left is the original photo of the royal sisters Tsarina Maria Feodorovna of Russia, Queen Alexandra of the United Kingdom and Thyra, the Crown Princess of Hanover and Duchess of Cumberland and Teviotdale.

The photo on the left is colorized by Velkoknezna, also on Deviant Art.  I even found another example by a third artist with different coloring.

Which colorway do you like best?  More important, what are the ACTUAL colors of these dresses?





On the other side of the coin, you cannot take a color photo of a gown and use photoshop or another program to de-saturate it, and expect the results to match an original photograph.

Left, completely color de-saturated.       Center, turned sepia.                          Right, the original dress.



I was curious to find out if a 19th century photo can be turned back into its original color by assigning colors to the values of its grey scale.

DISCLAIMER:  I know nothing about photography, let alone 150 year old photography, so this post will be in layman's terms to the best of my limited understanding.  Even after reading several articles, I still don't really understand the chemical equations and other science-y things.

Obviously, the easiest way to determine the actual color of an outfit is to find the original extant garment in the photograph in question.

was curious to find out if a 19th century photo can be turned back into its original color by assigning colors to the values of its grey scale.

DISCLAIMER:  I know nothing about photography, let alone 150 year old photography, so this post will be in layman's terms to the best of my limited understanding.  Even after reading several articles, I still don't really understand the chemical equations and other science-y things.

Obviously, the easiest way to determine the actual color of an outfit is to find the original extant garment in the photograph in question.


















By looking at the late 1870s dress above left, one might never guess its a beautiful, vibrant red. (from Antiquedress.com)  Also note, the photo's coloring does not match the modern methods of de-saturation shown above.  Compare the photo of the 1910s gown above right to the original dress.  Its apparent the photography developing process has improved greatly in 40 years between these two examples, and different filters/exposures/techniques have been used.


  
Above:  This beautiful 1888 gown from the House of Worth is kept at the Met Museum.  Would you guess this was the color combination?




















Above left:  Masquerade dress worn by the Grand Duchess Maria Pavlovna for the 1903 costume ball at the Winter Palace.  Above right:  Empress Maria Fyodorovna, designed by Charles Worth, Paris, 1890s.  Gown located at The Hermitage. 7









 



Photographers in the nineteenth century employed a wide variety of materials and processes; everything from honey to uranium found its way into one method or another.  In some cases, there is no way to tell, short of exacting scientific analysis, just what sort of variation was use to obtain a specific result.

Look at the example to the left.  Would you have thought the gown in the photograph was this deep plum color?  The following paragraphs describe the processes used to achieve this.













 Now, lets listen to the experts regarding color:

Black and white film records shades of gray 'logically'. If you take a b&w picture of a blue and yellow beach ball, you expect that the blue will record dark and the yellow light. Of course. Except, it wasn't always so. If you had asked someone (before) 1900 what a photograph of a blue and yellow beach ball should look like, they would have said the blue is light and the yellow dark. Their expectation of 'correct' was based on the colorblind film in use at the time — their technological/cultural frame.

The first silver gelatin negative was straight silver bromide and gelatin — a combination sensitive only to UV and blue/violet light. The blue on the beach ball exposed well — the yellow much less so. The print of the negative reversed the values and blue became light and yellow dark.

In 1884, Josef Eder discovered that erythrosin dye caused an emulsion to become sensitive to all light except deep orange and red. Blue eyes were no longer a ghostly white, but everyone still 'knew' that a woman's lips photograph black. The emulsion was dubbed ortho-chromatic, implying its 'correct' color balance. (This was a bit of premature marketing. When emulsions added the deep orange and red bands of the spectrum, marketers had to come up with a new name — panchromatic, meaning 'all colors'.) Orthochromatic emulsions and colorblind emulsions were in use simultaneously for years. At the time, colorblind plates were more commonly referred to as 'ordinary'.

That's the bare bones, but the whole picture was amazingly complex. Different brands and types of plates and films were sensitive to different exact wavelengths of light. Between orthochromatic and panchromatic is a whole range of red sensitivities. Back in the day, a typical photographer might have worked with a half dozen different films, and a dozen different filters to further tweak the materials.  Link to awesome article


So the "colorblind", or non-filtered early photographs, would make it quite difficult for us to make out any true colors.  The above article shows us a chart of  how this colorblind photography affects colors.






Above, original colors.
Right, the colorblind translation.  Note how the  red is black, and yellow is a very dark gray color. Early photos showing a dark dress may have really been sunshine yellow!  The magenta and bright blue look off white.

As stated above, when Ortho emulsions were added, it corrected the colors quite a bit. Below are two photos, one colorblind and one with Ortho emulsions.
 
You can see how the colors have been corrected, especially the on the two yellow tags, which look like black tags on the left (colorblind).  The tags on the right are now closer to yellow, after using Ortho emulsions.  For further photos of color charts with different filters and emulsions, please refer to the article link above.

Here is a photo of Dorothy Catherine Draper, sister of NYU professor John Draper and model for the
first daguerreotype portrait of a woman in the United States in 1839. She was the first woman to be photographed with her eyes open! source
The earliest American attempts in duplicating the photographic experiments of the Frenchman Louis Daguerre occurred at NYU in 1839. John W. Draper, professor of chemistry, built his own camera and made what may be the first human portrait taken in the United States, after a 65-second exposure. The sitter, his sister Dorothy Catherine Draper, had her face powdered with flour in an early attempt to accentuate contrasts.

To me, if this was shot "colorblind" (no filter), her dress and bonnet may be any color on the above chart that corresponds with "white".  Its difficult to tell what she is holding in her arms, but I will guess maybe flowers?  The dark flower heads could be yellow or red.  

For most of the first century of photography photographic plates and films were not sensitive to the whole spectrum of visible light.   The first panchromatic plate was produced in 1903, a patent obtained by Adolf Miethe and Arthur Traube for the use of the dye ethyl-red. However it wasn't until 1906, when chemist Benno Homolka discovered pinacyanol, that adequate red sensitivity was achieved.  Hermann Wilhelm Vogel created the first panchromatic plate in 1884, by use of a dye mixture he called 'azaline'; however they were "feebly sensitive, less stable, and required strong light filters to subdue the blue", so perhaps for this reason Vogel's early efforts are no longer regarded as the first.  Source

So colors were still pretty wonky (my tech term) in the early 1880s.

 Finally, lets look at an article on modern photography about  using color filters on black and white photography. Another awesome link    Please read this article, they deserve the credit :)

A common problem in black and white photography is that certain colours look very similar when converted into greyscale. For example, some shades of red, green, and blue look completely different in colour, but almost identical in black and white.  This can cause objects in a black and white image to blend into one another, leaving you with a photo which is flat and lifeless, and lacking in contrast and definition.

Coloured lens filters offer a solution to this problem because they affect the way colours are "converted" to black and white. This allows you to control the way they appear in the final image, ensuring that objects are well separated and clearly defined.  There are 5 filter colours that are commonly used in black and white photography - red, orange, yellow, green, and blue. Each lets through its own colour of light and blocks other colours to varying degrees. For example, a red filter will let red light through, but block most green and blue.



It is possible to figure out what the colors in an old photo might have been, but its a lot of work and there are so many variables:   The year the photo was taken and what developing processes were used.  Was it shot colorblind, with an emulsion of some sort, or colored filters?   Length of exposure, film type and so much more.   As for me, I will continue to guess, look at colorized photos, or search for extant gowns on line

https://brokecostumer.blogspot.com/2017/10/assigning-colors-to-victorian-fashion.html?m=1



Orthochromatic Emulsions — Background and Basics

January 15, 2012

It is a fact that we all take for granted. Black and white film records shades of gray 'logically'. If you take a b&w picture of a blue and yellow beach ball, you expect that the blue will record dark and the yellow light. Of course. Except, it wasn't always so. If you had asked someone in 1900 what a photograph of a blue and yellow beach ball should look like, they would have said the blue is light and the yellow dark. Their expectation of 'correct' was based on the colorblind film in use at the time — their technological/cultural frame.

The first silver gelatin negative was straight silver bromide and gelatin — a combination sensitive only to UV and blue/violet light. The blue on the beach ball exposed well — the yellow much less so. The print of the negative reversed the values and blue became light and yellow dark.

In 1884, Josef Eder discovered that erythrosin dye caused an emulsion to become sensitive to all light except deep orange and red. Blue eyes were no longer a ghostly white, but everyone still 'knew' that a woman's lips photograph black. The emulsion was dubbed ortho-chromatic, implying its 'correct' color balance. (This was a bit of premature marketing. When emulsions added the deep orange and red bands of the spectrum, marketers had to come up with a new name — panchromatic, meaning 'all colors'.) Orthochromatic emulsions and colorblind emulsions were in use simultaneously for years. At the time, colorblind plates were more commonly referred to as 'ordinary'.

That's the bare bones, but the whole picture was amazingly complex. Different brands and types of plates and films were sensitive to different exact wavelengths of light. Between orthochromatic and panchromatic is a whole range of red sensitivities. Back in the day, a typical photographer might have worked with a half dozen different films, and a dozen different filters to further tweak the materials.

I'll start with one of our current technological/cultural expectations of a black and white image — the desaturated color digital file.

 

And the inversion/negative.

The black and white values pretty much fit our expectations. Yellow is bright. Blues, greens, and red all have about the same value. The light shining on half the color card messed with the densities more than I anticipated (the gottcha of reflectance).

 

Here's the card photographed in even shade and desaturated. To me it 'feels' wrong. There isn't enough difference in the brightness levels. The oranges and yellow-green should be brighter. The dark blue should be darker.

I have no idea whether my expectations are based in physical facts or on an expectation of 'reality' based on my experience with B&W panchromatic film. It doesn't matter. I can change the values in post-processing. Our 'back-in-the-day' photographers did it with film choice and filters.

Artisan emulsion makers have the last century of photography to play with.

An ordinary/colorblind emulsion, like 'TLF#2', is sensitive to UV and blue/violet light. If you add a spectral sensitizer, you will pick up an extra band of color, but the emulsion will still be over-sensitive to blue. With orthochromatic emulsions a yellow filter is required for full effect. The filter holds back blue light exposure and allows yellow and green light more time to expose the negative. Unfortunately, a price is paid in 'speed'. A medium-yellow filter will increase exposure time 1x - 3x.

Note: I'll be comparing a lot of ColorChecker Charts in the coming months, so I've settled on a simple, repeatable protocol, not necessarily intended to produce the most pleasing print.

The negative is a straight scan at 4000 d.p.i. The full print is crop, invert, and auto-contrast. Since shadows are always the default black point, the chart black will almost never be as dark, so I'll make a last crop of the chart alone and set the black point on the black square. All other values fall automatically from that.

 

Left: The GretagMacbeth ColorChecker photographed with colorblind 'TLF#2'.

 

And an ortho variation exposed without a filter (left) and with a medium yellow filter (below).

http://www.thelightfarm.com/cgi-bin/htmlgen.py?content=15Jan2012


Comparing Photoshop methods of
Converting a Colour image to Black and White.

In Photoshop there are numerous ways of converting a Colour image to Black and White and in this article I will discuss the advantages and disadvantages of a few of the main methods.
Here are the methods we are going to compare.

1. DESATURATE
2. GREYSCALE
3. GRADIENT MAP
4. LAB COLOR ( USING THE LIGHTNESS CHANNEL )
5. CHANNEL MIXER (DEFAULT SETTINGS)
6. CHANNEL MIXER (USER DEFINED SETTINGS)


This image, that we will use for the comparisons is a digital version of GretagMacbeth ColorChecker Chart


This is the result of converting by DESATURATING the Colour Image by using Image/Adjustments/Desaturate.

The result is very dull, most of the colours fall into the Midtone band and there is not much room for manipulation.

Verdict:
Easy to achieve but results poor

This is the result of converting the colour image to GREYSCALE by selecting Image/Mode/Greyscale.
The results are much better than Desaturation, but little room for improvement.

Verdict:
A good method for the Beginner, but as the beginner becomes more competent there are more complex methods that give better results.

This is the result of converting by using a GRADIENT MAP Adjustment Layer.
Layer/New Adjustment Layer/Gradient Map, then choosing the Black, White gradient. This method gives better results than the Greyscale method and because it maintains the colour information the tones can be modified by applying other layers such as Hue and Saturation.

Verdict:
Better option than the Greyscale or Desaturate method.

This is the result of converting the Image to LAB COLOR, selecting the Lightness channel only and converting the image back to greyscale.

Verdict:
This method gives a fair tonal conversion, but because some of the colour information has been discarded it lacks the versatility of the Channel Mixing methods.

https://www.photoshopessentials.com/photo-editing/black-and-white-tutorials/lab-color/

This is the result of converting by using a Channel Mixer adjustment layer at Photoshop default of 100% Red
Layer/New Adjustment Layer/Channel Mixer, then tick the Monochrome box and click on OK. This is a good quick method of getting punchy results and because it maintains the colour information, the tones can be modified by applying other layers such as Hue and Saturation.

Verdict:
Can produce good results like B&W film taken with a red filter on the lens, but lacks finesse when needed.

This is the result of converting by using a Channel Mixer adjustment layer.
Layer/New Adjustment Layer/Channel Mixer 
then tick the Monochrome box and adjust the sliders to 68 Red 24 Green and 8 Blue.
These settings give a good overall balance to most images but should only be regarded as a good starting point to fine tuning by mixing the channels to suit the image. This methods keeps the colour information intact, which enables further manipulation of the tones using Hue & Saturation Adjustment Layers.

See the Derek Doar method.
(see my Photoshop Tutorial 9)
Verdict:
This is a method for the more advanced worker but coupled with the use of other such as Hue & Saturation adjustment layers and layer masking, it gives excellent results with a good degree of control.

Download the Derek Doar 




















Visible Yet Transparent: The Lens in Nineteenth-Century Photographic Cultures
Andrés Mario Zervigón
https://www.journals.uchicago.edu/doi/abs/10.1086/725045?journalCode=ci


https://www.catchersofthelight.com/catchers/post/2012/08/16/History-of-Astrophotography-Resources

https://www.tandfonline.com/doi/full/10.1080/03087298.2012.675851

https://www.facebook.com/share/v/1MoshzwBSi/

https://opg.optica.org/ao/viewmedia.cfm?uri=ao-15-7-1726

Bibliography

Constance A. Lubbock. 1938. A Short Biography of Sir John F.W. Herschel. Cambridge: Privatdruck.

Hentschel, Klaus. 2002. Mapping the Spectrum: Techniques of Visual Representation in Research and Teaching. Oxford; New York: Oxford University Press.

Millman, Peter Mackenzie. 1980. ‘The Herschel Dynasty; Part I: William Herschel; Part II: John Herschel; Part III: Alexander Stewart Herschel.’ Reprinted from Journal of the Royal Astronomical Society of Canada, 74(3-4-5), 1980, 134-146; 203-215; 279-290.

Moore, Keith. 2008. ‘Photographs by the French Scientist Henri Victor Regnault’. Notes and Records of the Royal Society 62 (4): 409–13. https://doi.org/10.1098/rsnr.2...;

Schaaf, Larry. 1979. ‘Sir John Herschel’s 1839 Royal Society Paper on Photography’. History of Photography 3 (1): 47–60. https://doi.org/10.1080/030872....

Schaaf, Larry J. 1992. Out of the Shadows: Herschel, Talbot & the Invention of Photography. New Haven: Yale University Press.

Wilder, Kelley. 2024. ‘Photology, Photography, and Actinochemistry: The Photographic Work of John Herschel’. In The Cambridge Companion to John Herschel, edited by Stephen Case and Lukas M. Verburgt, 1st ed., 160–85. Cambridge University Press. https://doi.org/10.1017/978100...;

Wilder, Kelley, and Martin Kemp. 2002. ‘Proof Positive in Sir John Herschel’s Concept of Photography’. History of Photography 26 (4): 358–66. https://doi.org/10.1080/030872...;


Susan Barger and William B. White, The Daguerreotype

Nineteenth-Century Technology and Modern Science
Cleaning Daguerreotypes
M. Susan Barger, A. P. Giri, William B. White and Thomas M. Edmondson

Studies in Conservation
Vol. 31, No. 1 (Feb., 1986), pp. 15-28 (14 pages)
Published By: Taylor & Francis


https://cool.culturalheritage.org/jaic/articles/jaic22-01-002.html

THE CLEANING OF DAGUERREOTYPES: COMPARISON OF CLEANING METHODS
M. Susan Barger, S.V. Krishnaswamy, & R. Messier

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