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Automatic Firing Device for Explosive Shells.

Description: Patent for automatic firing device where "an explosive shell may be caused to travel any distance within the range of the shell through the air without exploding" (lines 14-17).
Date: January 7, 1919
Creator: McCombs, Orville K.
Partner: UNT Libraries Government Documents Department

Automatic Gas Control for Gas Water-Heaters.

Description: Patent for an automatic control for instantaneous water heaters to control a supply of water and simultaneously an automatic supply of gas to the heater.
Date: October 7, 1919
Creator: Hamilton, Paul H.
Partner: UNT Libraries Government Documents Department

Attachment for Adding Machine

Description: Patent for new and useful improvements in attachments for adding machines which both add and list the sums accumulated by the adding machine.
Date: January 7, 1919
Creator: Walker, Jack L.
Partner: UNT Libraries Government Documents Department

Bottle Stopper.

Description: Patent for a bottle stopper made to be an alternative to cork plugs, including illustrations.
Date: May 7, 1919
Creator: Patronel, John
Partner: UNT Libraries Government Documents Department

Combined Gun and Knife.

Description: Patent for a firearm that has a permanently-attached retractable bayonet.
Date: January 7, 1919
Creator: Tomanek, Josef
Partner: UNT Libraries Government Documents Department

Aeroplane.

Description: Patent for an airplane (or aeroplane) which provides a large number of control surfaces adjustable by the pilot, including a moveable engine.
Date: January 7, 1919
Creator: Millican, Joel Walter
Partner: UNT Libraries Government Documents Department
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