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Air Compressor for Deep Well Pumps.

Description: Patent for a new and improved air-compressor. This design "relates to improvements in air-compressing mechanism for the purpose of pumping for forcing from deep wells and performing similar work; and it consists in the construction and arrangement of a larger and smaller air-cylinder, and the combination therewith of mechanism to force the air from the larger into the smaller cylinder to increase the air-pressure in the latter" (lines 22-30).
Date: August 2, 1887
Creator: Adams, John R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Brake for Vehicles

Description: Patent for "a brake which shall be easy in operation, cheap in construction, and not liable to get out of order" (lines 13-17).
Date: October 25, 1887
Creator: Bacon, Edward Hamlin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Implement for Extracting Axle Boxes from Wheel Hubs.

Description: Patent for a new and improved extractor of axle-boxes from wheel hubs. This design is "compris[ed of] screw-threaded rigid portion, elastic bifurcated expansible portion having ledges, abutting frame . . . consisting of bar having central hollow boss and adjustable sliding legs, in combination with the . . . operating nut" (lines 82-91).
Date: July 5, 1887
Creator: Geyer, Hermann R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electrical Horometer.

Description: Patent for a new and improved electrical horometer. This design consists, in addition to a switch-board with electric circuit terminals, "of a bell-crank lever pivoted to the switch-board and making the connection between said terminals, said lever having at one end a handle and at the other end a detent engaging with the ratchet-wheel when the circuit is opened, the said wheel being mounted upon the extended portion of one of the shafts of a clock or other suitable registering mechanism" (line… more
Date: November 29, 1887
Creator: Hammond, Benjamin M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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