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Hydrostatic Control for Pumps

Description: Patent for improvements in the hydrostatic control located in the pump. It is used as an automatic pressure governor.
Date: January 7, 1919
Creator: William M. Stephenson
Partner: UNT Libraries Government Documents Department

Fence Stay Machine

Description: Patent for a machine coils the wire around the fence stay within one device.
Date: January 7, 1919
Creator: Lewis Alverson
Partner: UNT Libraries Government Documents Department

Quick Tire-Patch for Pneumatic Tires.

Description: Patent for a quick tire patch for pneumatic tires for the purpose of providing an adhesive repair patch that is easy and convenient to apply and that may be used immediately after application.
Date: January 7, 1919
Creator: Duffy, Clarence O.
Partner: UNT Libraries Government Documents Department

Electric Meter.

Description: Patent for a simple and inexpensive electric meter that measures and records "the time during which an electric translating device, such as a motor or light, is connected with the source of supply, such as a dynamo-electric machine, located at a central station" (lines 11-15). Anyone can understand how it works, and it is more accurate than other meters.
Date: January 7, 1896
Creator: McGrath, William H. & Oram, John M.
Partner: UNT Libraries Government Documents Department

Sight-Feed for Planters.

Description: Patent for a sight-feed for planters with a rotable feed-disk brings the seed to the spout. "The operator who is following the planter may be enabled to accurately observe the workings of the same and the delivery of the seed, and thus see at all times that a proper planting is taking place" (lines 17-21).
Date: January 7, 1896
Creator: Schofield, James Drommond
Partner: UNT Libraries Government Documents Department

Apparatus for Protecting Electrical Circuits.

Description: Patent for an apparatus for protecting electrical circuits, and is an improvement on a previous patent (No. 537,932) issued to the inventor. This patent consists of "an electrical circuit, an alarm or indicator, a continuously-operating signal-transmitter at the protected structure operating to affect or influence the alarm or indicator, and a second or duplicate continuously-operating signal-transmitter located at the watchman's station, operating in unison with the first-named signal-transmit… more
Date: January 7, 1896
Creator: Oram, John M.
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
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