Classifications: Documentary

Classifications: Documentary
457 to 480 of 1,338
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Image Not Available
Documentary
William A. Riddell
Patent- Camera front
February 18, 1919
Image Not Available
Documentary
William A. Riddell
Patent- Winding Key For Photographic Cameras
May 14, 1918
Image Not Available
Documentary
William A. Riddell
Patent- Camera carriage
April 16, 1918
Image Not Available
Documentary
William A. Riddell
Patent- Photographic Camera
December 25, 1917
Image Not Available
Documentary
William A. Riddell
Patent- Folding Camera Bed
February 13, 1917
Image Not Available
Documentary
William A. Riddell
Patent- Camera carriage
January 23, 1917
Image Not Available
Documentary
William A. Riddell
Patent- Focusing Devices For Cameras
January 2, 1917
Image Not Available
Documentary
William A. Riddell
Patent- View Finder
November 21, 1916
Image Not Available
Documentary
William A. Riddell
Patent- Lens Carriage For Photographic Camera
June 22, 1915
Image Not Available
Documentary
Frank H. Reynolds
Patent- Camera covering and method of making same
September 4, 1928
Image Not Available
Documentary
Frank H. Reynolds
Patent- Roll film camera
December 7, 1926
Image Not Available
Documentary
David E. Reid
Patent- Method and Apparatus For Testing Paper Stock Fiber
April 13, 1926
Image Not Available
Documentary
David E. Reid
Patent- Apparatus for the treatment of plastic material
June 20, 1916
Image Not Available
Documentary
David E. Reid
Patent- Process of Treating Viscose
November 17, 1914
Image Not Available
Documentary
David E. Reid
Patent- Cellulose compound
November 10, 1914
Image Not Available
Documentary
David E. Reid
Patent- Manufacture of Acetyl Cellulose Solutions
May 5, 1914
Image Not Available
Documentary
Henry M. Reichenbach
Patent- Machine For Making Mat Surface Photographic Paper
May 8, 1900
Image Not Available
Documentary
Henry M. Reichenbach
Patent- Machine For Coating Paper
February 14, 1899
Image Not Available
Documentary
Henry M. Reichenbach
Patent- Manufacture of Photographic Films
July 19, 1892
Image Not Available
Documentary
Henry M. Reichenbach
Patent- Manufacture of Flexible Photographic Films
September 1, 1891
Image Not Available
Documentary
Henry M. Reichenbach
Patent- Manufacture of Flexible Photographic Films
December 10, 1889
Image Not Available
Documentary
Julian A. Ramsey
Patent- Photographic Printer
May 5, 1925
Image Not Available
Documentary
Joseph H. Ramsey
Patent- Film Spool For Photographic Cameras
April 6, 1920
Image Not Available
Documentary
Milton B. Punnett
Patent- Photographic Hardening Bath
July 7, 1925
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