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Wrench.

Description: Patent for "a wrench in which the ratchet is inclosed, so that none of its parts will be exposed to the action of dust" (lines 16-18), provides ample lubrication, and ease of inspection. Includes instructions and illustrations.
Date: June 2, 1912
Creator: Sherman, Lothrop C.
Partner: UNT Libraries Government Documents Department

Mail-Handling Apparatus

Description: Patent for a mail handling apparatus for storing and delivering mail to trains that is on an automated timer with the train schedule.
Date: June 4, 1912
Creator: Mainer, William L.
Partner: UNT Libraries Government Documents Department

Mail-Receiving Apparatus

Description: Patent for a mail receiving apparatus for use with trains that automatically removes mailbags from the train.
Date: June 4, 1912
Creator: Mainer, William L.
Partner: UNT Libraries Government Documents Department

Parachute and the Like

Description: Patent for a parachute. Illustrations included.
Date: July 23, 1912
Creator: Compton, Bessie W.
Partner: UNT Libraries Government Documents Department

Ditching-Plow.

Description: Patent for a ditching plow for use in digging shallow ditches.
Date: March 26, 1912
Creator: Bruening, Theodore F.
Partner: UNT Libraries Government Documents Department

Saw Set

Description: Patent for a saw set. This invention is designed to align cutting teeth in a uniform length. Illustration included.
Date: December 17, 1912
Creator: Devini, John H.
Partner: UNT Libraries Government Documents Department
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