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Attachment for Cameras.

Description: Patent for an improved camera attachment for adding titles to film that prevents the film from being exposed to light except when the title is photographed, with illustrations.
Date: May 15, 1917
Creator: Bretz, George W.; Lowry, Claud A.; Wood, Oscar O.; Wade, J. H.; Pirtle, P. R.; Jones, F. E. et al.
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Partner: UNT Libraries Government Documents Department

Vignetter for Cameras.

Description: Patent for an improved vignetter for cameras which is able to blend backgrounds of "a number of photographic impressions made upon a single sensitized plate or film" (lines 14-16).
Date: September 28, 1915
Creator: Moine, Selest E.
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Partner: UNT Libraries Government Documents Department

Tripod.

Description: Patent for a tripod, which when folded up can be used as a walking stick.
Date: July 12, 1910
Creator: Boyd, John D.
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Partner: UNT Libraries Government Documents Department

Focusing Device for Cameras

Description: Patent for a focusing device for cameras. "In photographic cameras, the objective lens forms a reduced image which is thrown upon a plate of ground glass through which ground glass the image is observed" (lines 9-13). Illustration included.
Date: January 31, 1911
Creator: Grant, Adolphus S.
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Partner: UNT Libraries Government Documents Department

Film for Cameras.

Description: Patent for photographic film that contains alternating sensitized and non-sensitized sections for the purpose of creating an initial exposure view as a guide to use when taking a subsequent actual photograph.
Date: August 5, 1919
Creator: Sartorius, Oton; Gándara, José F. & Colonna, Benito
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Partner: UNT Libraries Government Documents Department

Paper-Holder for Enlarging-Cameras.

Description: Patent for an improvement in holders attached to enlarging-cameras to hold the paper being exposed: "The object of the invention is to provide a simple and convenient form of paper-holder in which the paper may be readily inserted and removed and from which the light will be effectually excluded" (lines 15-19).
Date: February 18, 1902
Creator: Hutchings, George B.
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Partner: UNT Libraries Government Documents Department
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