Classifications: Documentary

Classifications: Documentary
937 to 960 of 1,338
Patent - Cellulose Ether Composition
Documentary
John M. Donohue
September 8, 1925
Patent - Cellulose Ether Composition
Documentary
John M. Donohue
September 8, 1925
Patent - Cellulose Ether Composition
Documentary
John M. Donohue
September 8, 1925
Patent - Laminated Cellulose Ether Cellulose Ester Film
Documentary
John M. Donohue
December 9, 1924
Patent - Process of Making Cellulose Ether
Documentary
John M. Donohue
April 8, 1924
Patent - Cellulose Ether Composition
Documentary
John M. Donohue
November 6, 1923
Patent - Cellulose Ether Composition
Documentary
John M. Donohue
November 6, 1923
Patent - Cellulose Ether Composition
Documentary
John M. Donohue
November 6, 1923
Patent - Cellulose Ether Solvent and Composition
Documentary
John M. Donohue
November 7, 1922
Patent - Process fo Making Cellulose Ethers
Documentary
John M. Donohue
May 9, 1922
Patent- Cellulose ether solvent and composition
Documentary
John M. Donohue
October 18, 1921
Patent- Photographer's kit
Documentary
William J.M. Dobson
March 13, 1888
Patent- Photographic objective
Documentary
Gilbert S. Dey
November 16, 1915
Patent- Strip measuring machine
Documentary
Charles De Moos
February 7, 1928
Patent- Photographic film developing machine
Documentary
Charles De Moos
June 7, 1927
Patent- Process and apparatus for treating film
Documentary
Charles De Moos
April 5, 1927
Patent- Floating Film Rack
Documentary
Charles De Moos
August 10, 1926
Patent- Film inspecting machine
Documentary
Charles De Moos
June 8, 1926
Patent- Automatic photographic film supplying machine
Documentary
Charles De Moos
June 9, 1925
Patent- Photographic film treating apparatus
Documentary
Charles De Moos
September 4, 1923
Patent- Fluid treating apparatus for films
Documentary
Charles De Moos
July 17, 1923
Patent- Press guard
Documentary
Edmond DeMaecker
February 6, 1923
Patent- Photographic film package
Documentary
Ivoe DeCalesta
December 25, 1906

Review and updating of the museum's collection data is ongoing.
Inclusion of an object in this database does not guarantee its availability for loan.
For permission to use images from the online collections, please contact Image Rights and Reproductions.