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Gearing for the Feed Mechanism of Planters

Description: Patent for gearing mechanisms in feed planters that are more efficient, faster, and less costly.
Date: July 22, 1919
Creator: Heylman, Edward M. & William, Roberts R.
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
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