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Process of and Apparatus for Progressive Electrostatic Separation of Comminuted Materials

Description: Patent for a process of electro-static separation which is the improvement and consists in establishing three different types of electro-static fields upon a single conveying or electrical surface, shifting these fields across the line of normal movement.
Date: September 23, 1913
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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