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Metallic Train-Pipe Connection.

Description: Patent for metal pipes used to allow fluid to travel from train car to train car.
Date: May 12, 1917
Creator: Mooney, Thomas H.
Partner: UNT Libraries Government Documents Department

Film Actuating Mechanism For Motion Picture Cameras.

Description: 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.
Partner: UNT Libraries Government Documents Department

Composition of Matter for Treating Concrete Flooring

Description: Patent for improvements to treating concrete flooring. The process described for mixing animal, mineral, and vegetable waxes to produce a treatment which renders already poured concrete floors (or other cement or stone) dustless and waxy to prevent disintegration of the floor's components.
Date: May 12, 1917
Creator: Annan, Alfred H.
Partner: UNT Libraries Government Documents Department
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