The ambrotype is an early variation of the wet collodion process. The ambrotype was made by slightly underexposing a glass wet plate in the camera. The finished plate produced a negative image that appeared positive when backed with velvet, paper, metal or varnish.
Example of an Ambrotype - Unidentified Florida Soldier
Period of Use 1851 - 1880s
Popularity of the daguerreotype declined in the late 1850s when the ambrotype, a faster and less expensive photographic process, became available.
Ambrotype
Florida State Archives
See More About
Top Related Searches wet collodion process finished plate ambrotype velvet paper wet plate negative image