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Film Actuating Mechanism For Motion Picture Cameras.
Patent for useful improvement in Film Actuating Mechanism for Motion-Picture cameras and cinematograph motion picture cameras. This invention simplifies and improves on the construction and capacity of film.
Date:
May 12, 1917
Creator:
Gildersleeve, Fred E. & Trice, William L.
System:
The Portal to Texas History
Rail-Joint.
Patent for a modification of a conventional rail joint, adding a solid abutment that allows for the use of conventional splice bars that "does not involve any appreciable increase in cost over the conventional rail joint" (lines 29-30). Includes Illustration.
Date:
May 22, 1917
Creator:
Baker, William E.
System:
The Portal to Texas History