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2. Tintype - Wikipedia

   en.wikipedia.org/wiki/Tintype

   Tintype. A tintype, also known as a melanotype or ferrotype, is a photograph made by creating a direct positive on a thin sheet of metal, colloquially called 'tin' (though not actually tin-coated), coated with a dark lacquer or enamel and used as the support for the photographic emulsion.

3. Albumen print - Wikipedia

   en.wikipedia.org/wiki/Albumen_print

   Albumen print. The albumen print, also called albumen silver print, is a method of producing a photographic print using egg whites. Published in January 1847 [1] by Louis Désiré Blanquart-Evrard, it was the first commercial process of producing a photo on a paper base from a negative, [2] previous methods - such as the daguerreotype and the ...

4. Photogravure - Wikipedia

   en.wikipedia.org/wiki/Photogravure

   Photogravure. Photogravure (in French héliogravure) is a process for printing photographs, also sometimes used for reproductive intaglio printmaking. It is a photo-mechanical process whereby a copper plate is grained (adding a pattern to the plate) and then coated with a light-sensitive gelatin tissue which had been exposed to a film positive ...

5. Platinum print - Wikipedia

   en.wikipedia.org/wiki/Platinum_print

   Platinum prints, also called platinotypes, are photographic prints made by a monochrome printing process involving platinum. Platinum tones range from warm black, to reddish brown, to expanded mid-tone grays [clarification needed] that are unobtainable in silver prints. [1][dubious – discuss] Unlike the silver print process, platinum lies on ...

6. Gelatin silver print - Wikipedia

   en.wikipedia.org/wiki/Gelatin_silver_print

   A gelatin silver print is composed of four layers: paper base, baryta, gelatin binder, and a protective gelatin layer or overcoat. The multi-layer structure of the gelatin silver print and the sensitivity of the silver imaging salts require specialized coating equipment and fastidious manufacturing technique to produce a consistent product that ...

7. Chromogenic print - Wikipedia

   en.wikipedia.org/wiki/Chromogenic_print

   Chromogenic print. A chromogenic print, also known as a C-print or C-type print, [1] a silver halide print, [2] or a dye coupler print, [3] is a photographic print made from a color negative, transparency or digital image, and developed using a chromogenic process. [4] They are composed of three layers of gelatin, each containing an emulsion of ...