Classifications: Documentary

Classifications: Documentary
241 to 264 of 1,338
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Image Not Available
Documentary
Ray L. Stinchfeild
Patent- Photographic Printing Machine
October 7, 1924
Image Not Available
Documentary
Ray L. Stinchfeild
Patent- Lens Shade
April 3, 1923
Image Not Available
Documentary
Ray L. Stinchfeild
Patent- Cellulose ether solvent and composition
October 17, 1922
Image Not Available
Documentary
Ray L. Stinchfeild
Patent- Cellulose ether solvent and composition
October 17, 1922
Image Not Available
Documentary
Ray L. Stinchfeild
Patent- Element For Use In Color Photography
January 11, 1921
Image Not Available
Documentary
Ray L. Stinchfeild
Patent- Color photography
January 11, 1921
Image Not Available
Documentary
Donald H. Stewart
Patent- Lens Attachment Mount For Photographic Apparatus
January 20, 1931
Image Not Available
Documentary
Russell H. Van Dyke
Patent- Process For Esterification of Cellulose & Products Therefrom
December 15, 1931
Image Not Available
Documentary
Thomas F. Murray Jr.
Patent- Method of Improving Cellulose Ester Films
October 6, 1931
Image Not Available
Documentary
Charles S. Webber
Patent- Process For Changing The Solubility of Cellulose Acetate
July 7, 1931
Image Not Available
Documentary
Dr. Cyril J. Staud
Patent- Process of Spray Drying Cellulose Acetate Solutions
June 10, 1930
Image Not Available
Documentary
George C. Stanley
Patent- Photographic Plate Holder
February 28, 1899
Image Not Available
Documentary
Charles F. Speidel
Patent- Projection Screen Holding Clip
February 8, 1927
Image Not Available
Documentary
Charles F. Speidel
Patent- Self Erecting Front Camera
January 5, 1926
Image Not Available
Documentary
Charles F. Speidel
Patent- Spool Holder For Cameras
November 10, 1925
Image Not Available
Documentary
Charles F. Speidel
Patent- Numbering Stamp For Photographic Printing Machines
December 9, 1924
Image Not Available
Documentary
Charles F. Speidel
Patent- View Finder
July 8, 1924
Image Not Available
Documentary
Charles F. Speidel
Patent- Stylus attachment for cameras
November 13, 1923
Image Not Available
Documentary
Charles F. Speidel
Patent- Carrying handle for cameras
June 26, 1923
Image Not Available
Documentary
Charles F. Speidel
Patent- Lens Tube Adjustment For Cameras
November 14, 1922
Image Not Available
Documentary
Charles F. Speidel
Patent- Camera back
October 28, 1919
Image Not Available
Documentary
Charles F. Speidel
Patent- Focusing Finder For Photographic Cameras
February 26, 1918
Image Not Available
Documentary
Charles F. Speidel
Patent- Camera back
February 27, 1917
Image Not Available
Documentary
Charles F. Speidel
Patent- Film Winding Key For Photographic Cameras
February 1, 1916
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