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Procedure: Examine the photographic process used.
Daguerreotype: Shiny or mirror image "likeness" reversed image (writing will be backwards Surface unstable, easily marred. 1839-1856
Talbotype, Inexpensive, purplish- 1841-1855 Calotype brown paper Easily reproduced Fades easily
Ferrotype Black surface of sheet- 1855-1874 Tintype iron, metal, copper. Often mounted on tomb- stones. Especially popular during Civil War be cause they could be mailed easily
Ambrotype Paper photograph Gold-toned image. Made with glass negatives and collodion. Retouched from 1867 on Name of photographer. (1848-1880)'s Carte de visite, Cabinet photo graph.
Celluloid Made Eastman a leader c. 1887 on in the field with Kodak
* Cut-off dates are not exact, one process may be used by specific photographers long after another process had become popular.
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