ferrotype

noun

1. (uncountable)An early photographic process in which the image was made on an iron plate having a sensitized surface film.
2. (countable)A photograph produced by this means.

verb

1. (transitive)To produce a ferrotype from.

   “"He ferrotyped the pictures, and the next morning, bright and early, he mounted each one in an art-folder (bought during a period of prosperity), and then fared forth to sell them to the eager parents of his little subjects."”