Relationships Broader Term:  collodion photographs photograph Related Term:  ambrotype wet collodion Synonym:  ferrotype n. ~ A direct-positive photograph made using the wet-collodion process, using a [..]

Type of photograph popular during the Civil War era, sometimes called a “ferrotype.” To make one, a photographic negative is printed on a blackened piece of very thin iron (not tin, incidentally). A n [..]

A positive photographic image made with a wet collodion emulsion on a thin iron plate darkened with black lacquer by a process patented in 1856 by Hamilton L. Smith, professor at Kenyon College, Ohio. [..]

This process is much like the ambrotype. It is a unique photograph on a sheet of iron that is coated with a dark enamel. The tintype, also known as the ferrotype, was essentially a collodion negative, which appeared positive when put against a dark background. The tintype became popular in the 1850s as a less expensive way to produce photographs fo [..]

also known as a ferrotype. A photograph made on an enameled piece of iron or tin.