Works of: Benjamin Day Chamberlin

Works of: Benjamin Day Chamberlin
1 to 15 of 15
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Patent- Photographic Camera
Documentary
Benjamin Day Chamberlin
Patent- Photographic Camera
October 6, 1931
Patent- Automatic camera
Documentary
Benjamin Day Chamberlin
Patent- Automatic camera
June 17, 1930
Patent- Automatically focusing enlarging camera
Documentary
Benjamin Day Chamberlin
Patent- Automatically focusing enlarging camera
June 11, 1929
Patent- Roll holder for photographic cameras
Documentary
Benjamin Day Chamberlin
Patent- Roll holder for photographic cameras
March 12, 1929
Patent- Printing stamp
Documentary
Benjamin Day Chamberlin
Patent- Printing stamp
June 5, 1928
Patent- Photographic printing machine
Documentary
Benjamin Day Chamberlin
Patent- Photographic printing machine
April 10, 1928
Patent- Photographic printing machine
Documentary
Benjamin Day Chamberlin
Patent- Photographic printing machine
December 6, 1927
Patent- Photographic film spool
Documentary
Benjamin Day Chamberlin
Patent- Photographic film spool
November 8, 1927
Patent- Numbering stamp for printing machines
Documentary
Benjamin Day Chamberlin
Patent- Numbering stamp for printing machines
September 7, 1926
Patent- Motion Picture Apparatus
Documentary
Benjamin Day Chamberlin
Patent- Motion Picture Apparatus
May 4, 1926
Patent- Numbering stamp for photographic print machines
Documentary
Benjamin Day Chamberlin
Patent- Numbering stamp for photographic print machines
August 10, 1926
Patent- Resilient type disk numbering stamp for photo print machines
Documentary
Benjamin Day Chamberlin
Patent- Resilient type disk numbering stamp for photo print machines
February 9, 1926
Patent- Aerial camera
Documentary
Benjamin Day Chamberlin
Patent- Aerial camera
July 22, 1924
Patent- Photographic shutter
Documentary
Benjamin Day Chamberlin
Patent- Photographic shutter
April 29, 1924
Patent- Photographic film spool
Documentary
Benjamin Day Chamberlin
Patent- Photographic film spool
June 17, 1919
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