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Water-Cooler.

Description: Patent for an improvement in water-coolers wherein the vessel for holding the water is surrounded with fibrous material that is kept saturated with water, the evaporation of which will absorb the heat from the water contained in the vessel in a manner well known to science.
Date: October 20, 1880
Creator: Barber, Edwin Louis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton Chopper.

Description: Patent for a new and improved cotton chopper. This design consists in "[t]he combination, with a pair of wheels and a main frame mounted loosely thereon, of a shaft journaled therein carrying a pinion and crank-wheel, a hoe adapted to be reciprocated by the crank-wheel, and an operating-lever connected with the shaft and hoe-handle, whereby the shaft is moved laterally and the hoe elevated simultaneously therewith" (lines 41-48).
Date: October 20, 1885
Creator: McGregor, Montague M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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