Acetate negatives
Subject
Subject Source: TGM II, Genre and physical characteristic terms
Scope Note: Acetate safety films were first introduced in the early 1900s. Various types include diacetate and triacetate and are often difficult to distinguish from one another.
Found in 1 Collection or Record:
William Heidorn photographs
Collection — Multiple Containers
Identifier: MSS P 694
Scope and Contents
Collection includes 31 gelatin silver photographs of logging in the Sierra Nevada mountains and a sailing ship, taken by William Heidorn. Also includes some corresponding acetate copy negatives. Dated approximately 1900-1929.
Dates:
approximately 1900-1929