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Salted paper prints
invented by Henry Fox Talbot. The dominant paper-based photographic process for producing positive prints. -
Calotype
invented by William Henry Fox Talbot. An early photographic process in which negatives were made using paper coated with silver iodide. -
Cyanotype
invented by Sir John Herschel. A photographic printing process that produces a cyan-blue print. -
Albumen print
invented by Louis Désiré Blanquart-Evrard. A print made using albumen paper, popular for photographic printing between 1850 and 1900. -
Ambrotype
invented by Frederick Scott Archer. A positive photograph on glass made by a variant of the wet plate collodion process. -
Collodion
invented by Frederick Scott Archer. Mostly synonymous with the "collodion wet plate process", requires the photographic material to be coated, sensitized, exposed and developed within the span of about fifteen minutes, necessitating a portable darkroom for use in the field. -
Wet plate process
invented by Frederick Scott Archer. The process involved adding a soluble iodide to a solution of collodion (cellulose nitrate) and coating a glass plate with the mixture. -
Tintype
invented by Adolphe-Alexandre Martin. A photograph made by creating a direct positive on a thin sheet of metal coated with a dark lacquer or enamel and used as the support for the photographic emulsion. -
Carbon print
invented by Alphonse Poitevin. A photographic print with an image consisting of pigmented gelatin. -
Gum print
invented by John Pouncy. A way of making photographic reproductions without the use of silver halides. -
Woodburytype
invented by Walter B. Woodbury. It was the first successful photomechanical process fully able to reproduce the delicate halftones of photographs. -
Platinum print
invented by William Willis. A photographic print made by a monochrome printing process involving platinum.
