An Overview and History of Carbon (Pigment) Printing
The carbon process, initially a black-and-white process using lampblack (carbon black), was invented by Alphonse Poitevin in 1855. The process was later adapted to color, through the use of pigments, by Louis Arthur Ducos du Hauron in 1868. Carbon printing remained commercially popular through the first half of the 20th century. It was replaced over time by the dye-transfer process, chromogenic, dye-bleach (or dye destruction, i.e., Cibachrome) and, now, digital printing processes. The efficiencies gained through these more modern automated processes relegated carbon printing to the commercial backwaters in the latter half of the 20th century. It is now only found in the darkrooms of the rare enthusiast and a few exotic labs.
Carbon printing is based on the fact that gelatin, when sensitized to light by a dichromate, is hardened and made insoluble in water when exposed to ultraviolet light. Because of the comparative insensitivity of the material, sunlight or another strong source of UV light is normally used in order to minimize the required exposure time. To make a full-color print, three negatives photographed through red, green and blue filters are printed on dichromate-sensitized sheets of pigmented gelatin (traditionally called "carbon tissue" regardless of the pigment incorporated) containing, respectively, cyan, magenta and yellow pigments. They are developed in warm water, which dissolves the unhardened gelatin, leaving a colored relief image that is thickest where it received the strongest exposure. The three images are then transferred, one at a time, onto a final support such as a heavy sheet of smooth gelatin-sized paper. Usually, the yellow image is transferred first, then the magenta image is applied on top of it, great care being taken to superimpose it in exact register, and then the cyan image is similarly applied. A fourth black pigment "key" layer is sometimes added, as in mechanical printing processes, to improve edge definition and mask any spurious color cast in the dark areas of the image, but it is not a traditional component.
The resulting finished print, whether composed of several layers and in full color or having only a single monochrome layer, exhibits a very slight bas-relief effect and a variation of texture on its surface, both distinctive characteristics of a carbon print. The process is time-consuming and labor-intensive. Each color carbon print requires three, or four, round trips in the darkroom to create the finished print. An individual, using existing pigmented sheets and separations, can prepare, print and process enough material, 60 sheets including the support, to produce about twelve 20" x 24" four-color prints in a 40 hour work week. However, this investment of time and effort can create prints of outstanding visual quality and proven archival permanence.
- It should be noted here that the carbon process is typically used to produce;
- -Mono-chrome prints, usually B&W, but often sepia, cyan or any other preferred color.
- -Duo-chrome (duo-tone) prints, an effect many printers are familiar with, using complementary or associated colors to their best effect.
- -Tri-chrome prints, a traditional full color print made by layering Y, M & C pigment sheets.
- -Quadra-chrome prints, basically the same full color print as the tri-chrome with the added finishing layer of black (K) to add density and mask spurious color in the shadows.
- That noted, any combination of layers, in any color, are possible to achieve whatever ends the printer desires.
- Its also important to mention here that there are two primary techniques used in carbon printing, single transfer and double transfer. This has to do with the negatives (separations) being right or wrong reading and the image "flopping" during the transfer process.
Because the carbon printing process uses pigments instead of dyes, it is capable of producing a far more archivally stable (permanent) print than any of the other color processes. Good examples of the color stability of pigments can be found in the paintings of the great masters, the true colors of which, in many cases, have survived all these centuries. A more contemporary example of the color stability of pigments is found in the paints used on automobiles today, which must survive intense daily exposure to very harsh lighting, under extreme conditions. The useful life of many (but not all) pigment formulations has been projected out to be several centuries and beyond (perhaps millennia, if cave paintings of Lascaux, the wall paintings in the tombs of the Valley of the Kings and the frescoes of Pompeii are relevant examples), often being limited only to the useful life of the particular support used. Additionally, the use of pigment also produces a wider color gamut than any of the other color processes, allowing for a greater range and subtlety of color reproduction.
Though carbon printing always has been, and remains, a labor intensive, time consuming and technologically demanding process, there are still those that prefer the high aesthetic of its remarkable beauty and longevity over all other processes.
Chronological History of Carbon (Pigment) Printing
Date | Name | Nationality | Remarks |
1798 | Louis Nicolas Vauquelin | French | Influence of light on silver chromate |
1826 | Joseph Nicéphore Niépce | French | First permanent photograph of the image formed by a camera lens |
1832 | Gustav Suckow | French | Chromic acid salts are light sensitive, even without silver |
1839 | Sir John Herschel | English | Introduction of the word "photography", early experiments with creating prints in various colors |
1839 | Mungo Ponton | English | Action of light on paper coated with potassium dichromate + washing = fixed image |
1840 | Henri Becquerel | French | Action of light on paper coated with potassium dichromate + iodine fumes = fixed image |
1852 | William Henry Fox Talbot | English | Dichromated gelatin rendered insoluble by exposure to light |
1855 | Alphonse Poitevin | French | Invents photographic printing by dichromated pigment process |
1855 | James Clerk Maxwell | English | Color photography by three-color analysis and synthesis, proposed in passing in a paper on color vision |
1858 | L'abbé Laborde | French | Principle of exposure through the base then transfer from one base to another (see Fargier) |
1860 | Fargier | French | Principle of exposure through the base then transfer from one base to another (see Laborde) but the image is reversed |
1860 | Blaise | French | Double transfer to get a non-reversed image |
1861 | James Clerk Maxwell | English | Demonstration of photographic color reproduction by synthesis (additive method, three images superimposed by projection through filters) |
1862 | Louis Ducos du Hauron | French | Photographic color printing by the three-color subtractive method proposed in an unpublished paper |
1863 | Pouncy | English | Uses sensitized inks |
1863 | Poitevin | French | Modification of his process: insolubility of the pigmented gelatin then solubility by exposure through a positive film |
1864 | Joseph Wilson Swan | English | Swan process: uses rubber for the transfer |
1867 | Charles Cros | French | Unaware of work being done by Louis Ducos du Hauron (see 1862) invents similar methods for photographic color reproduction |
1868 | Marion | French | Procédé Marion: Uses an albuminated paper for the transfer |
1868 | Louis Ducos du Hauron | French | Patents the basic principles of most of the practical color photography processes subsequently developed |
1869 | Charles Cros | French | Publishes Solution générale du problème de la photographie des couleurs |
1869 | Louis Ducos du Hauron | French | Publishes Les couleurs en photographie, solution du problème |
1869 | Jeanrenaud | French | Procédé Jeanrenaud: Improvement of the transfer |
1869 | Jeanrenaud | French | Double transfer with an opal glass |
1870 | Gobert | French | 1870-1873 printing on metal plates |
1873 | Marion | French | Mariotype |
1873 | Hermann Vogel | German | Discovers dye sensitization of silver halides, making creation of three-color separation negatives practical |
1878 | Louis Ducos du Hauron | French | Publishes improved methods of color photography and printing by the carbon process |
1878 | Fredéric Artigues | French | Charbon velours |
1881 | Charles Cros | French | Tricolor process prints presented to the Academie des Sciences (French Academy of Sciences) |
1889 | Artigues | French | Papiers charbon velours |
1893 | Victor Artigues | French | Carbon velours à tons continus de 1893 à 1910 |
1894 | Ladeveze Rouille | French | Papier gomme-chrome |
1899 | Thomas Manly | English | Ozotype derived from mariotype |
1899 | Henri Theodore Fresson | French | Procédé Fresson: sold in USA between 1927 and 1939 by Edward Alenias. Bought by Luis Nadeau, Canada, 1979 |
1900 | Fresson | French | Papier charbon Satin then papier Arvel to be processed with chlorine |
1902 | Robert Krayn | American | N.P.G. Process: tricolor carbon process distributed in France by La Société Industrielle de Photographie |
1905 | Thomas Manly | English | Ozobrome process: instead of exposure to light, contact with a silver bromide print selectively hardens the dichromated gelatin |
1910 | Arbuthnot | English | Dichromated watercolor or dichromated lavish |
1911 | Dovertype | English | Sold in England by the Dover Street Studio, London, 1911-1914 |
1913 | S. Manners | American | Early form of three color carbro 1913-1922 |
1919 | H.F. Farmer | English | Carbro process based on Manly's ozobromie, Sold by Autotype in London |
1920 | H.F. Farmer | English | Trichrome Carbro process marketed from 1920 to 1960 by Autotype |
1923 | H.J.C. Deeks | American | Raylo: three color carbon |
1950 | KoloroÏd | American | Dichromated colloid: carbon transfer process |
1951 | Pierre Fresson | French | Quadrichromie Fresson |
1965 | 3M | American | 3M Electrocolor Print 1965 to 1978 |
1977 | Kwik-Print | American | Light Impressions Corp, Rochester |
1982 | Archival Color Co. | American | San Francisco: quad-color carbon process |
1983 | George Griffin | Canadian | Quad halftone, duotone and mono contone carbon until from 1983 to 2006 Private collection of photographers work only. |
1985 | Polaroid | American | Laser separation + transfer of pigment on a base. Stopped in 1986: Polaroid Permanent Pigment Print |
1986 | Jerry Kuska & Douglas Madeley | American & Canadian | Four color carbon prints, Limited Edition Photo/Graphics, Santa Cruz, California, until 1991 |
1993 | Charles Berger | American | Ultrastable Color System. Pigmented quadrichromy |
1998 | Racey Gilbert | American | Ataraxia Pigment Prints, until 2004 |
2006 - now | Tod Gangler | American | Art & Soul Photo, Seattle, Washington, Four color carbon prints and metallic quadtone black & white carbons |
2006 - now | John Bladen Bentley | Canadian | Verve Gallery of Photography, living in Toronto, Ontario, Canada, Four colour carbon transfer prints |
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