The original nitrate negatives are usually one of these sizes--a 35mm or 2 1/4 inch roll film or a 3x4 or 4x5 inch sheet film. Some 5x7 and 8x10 inch sheet films were also used.
PDF) The Use of New Technologies for Photographic Archives within the Fourth Archival Paradigm.
What Do the Nitrate Film Negatives Look Like, Articles and Essays, Farm Security Administration/Office of War Information Black-and-White Negatives, Digital Collections
Bomb-proofing the Digital Image: An Archaeology of Media Preservation Infrastructure
8b33922, Dorothea Lange photographer Farm Security Administ…
Care and Handling of Archival Nitrate Negatives — The American Alpine Club
Visiting Archives Large and Small – History Research Shenanigans
A black and white photo of a theater at night. Office of War Information Photograph - PICRYL - Public Domain Media Search Engine Public Domain Search
FSA Photography and the Great Depression
Camera and Darkroom by Cezar Popescu - Issuu
Nitrate film hi-res stock photography and images - Alamy
Cinema Retro
A black and white photo of a man reading a newspaper. War