394 Matching Results

Search Results

Apparatus for Controlling Trolley Poles

Description: Patent for an apparatus for controlling trolley poles. "This invention relates to an apparatus for controlling trolley poles employed for effecting electrical connection between a trolley wire and a motor on a car, and has for its object to provide improved means for automatically throwing the trolley into position to be placed in engagement with the trolley wire" (line 9-15). Illustrations included.
Date: November 10, 1903
Creator: Bogue, Judson L. & Jennings, David M.
Partner: UNT Libraries Government Documents Department

Improvement in Masks for Horses and Cattle.

Description: Patent for a slitted leather mask for animals to be used for horses, cattle, etc. to deter the jumping of fences. Patent for "mask, covering the eyes of the animal, leaves him with a sufficiently free vision, and being thoroughly ventilated, will not injure his eyes".
Date: July 10, 1877
Creator: Trueblood, Albert H
Partner: UNT Libraries Government Documents Department

Swab Holder

Description: Patent for improvements in swab-holders consisting of a sectional box or cup containing fibrous material to apply a lubricating oil for the piston-rod to reduce friction and wear on the rod.
Date: July 10, 1906
Creator: Bruce. J.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen