Authoritytgm011219Scope NoteThermoplastic cases introduced in the United States in 1852 for daguerreotypes and also made for ambrotypes and some tintypes through the 1860s. Almost 800 design motifs have been recorded. Often mistakenly referred to as gutta-percha cases.
Relationships
Broader TermPhotograph casesNon-preferred TermsCases, PhotographComposition casesGutta-percha photograph casesThermoplastic union cases
Union cases. University of Melbourne Archives, accessed 17/02/2026, https://archives.library.unimelb.edu.au/nodes/view/190596
