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[Field service postcard]

Description: A pre-printed field service postcard. The postcard has explicit instructions on how to fill out, saying the postcard will be destroyed if extra information is added, and to include only a date and signature. The handwriting at the bottom of the postcard is signed by John H. Carper and dated August 16, 1918. Carper has crossed out generated sentences, stating he is quite well and has received someone's letter dated July 18, 1918. On the back of the postcard, the addressee is Mrs. John H. Carper … more
Date: August 16, 1918
Creator: Carper, John H.
Item Type: Refine your search to only Postcard
Partner: UNT Libraries Special Collections

Machine-Gun.

Description: Patent for a machine gun, meant to have relatively few parts, that includes a belt to carry a large amount of cartridges. The machine gun "provides a structure wherein the cartridges are positively and consecutively fed to the explosion chamber" (lines 11-14).
Date: July 16, 1918
Creator: McManus, Luis M. & Warner, James Harold
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Protecting-Casing for Electrical Conductors

Description: Patent for "new and useful Improvements in Protecting-Cases for Electrical Conductors" (lines 5-7). The object of the invention is to provide a device... for surrounding the commutator of an internal combustion motor and protecting the terminals thereof and the electrical conductors connected to said terminals" (lines 12-17).
Date: July 16, 1918
Creator: Rooke, Henry L., Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump Mechanism

Description: Patent for improvements in well pumps involving protecting and lubricating parts during use.
Date: July 16, 1918
Creator: Layne, Mahlon E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shadowgraph.

Description: Patent for "improvements in shadowgraphs" (lines 12-13) "to afford entertainment and amusement" (lines 22-23) by means of using "a holder for pieces of which a design may be composed" (lines 31-32), including one illustration.
Date: April 16, 1918
Creator: Barler, Eugene Miles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Centrifugal Brake Mechanism

Description: Patent for a centrifugal break mechanism, primarily designed as an automatic brake device for elevators travelling at an abnormal speed.
Date: April 16, 1918
Creator: Cobb, Albert C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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