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Safety Oil-Can

Description: Patent for a safety oil can. There are two items that are described in the figures. The first is intended to "prevent the contents of the can from becoming inflamed" and the second is to "provide a can from which oil may be poured into a blazing fire without danger from lighting and exploding the oil" (p. 6).
Date: February 23, 1886
Creator: Steeneken, Diedrich
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wood Screw.

Description: Patent for a new and improved wood screw. This design "consists of a screw-head having on the underside . . . cutting-edges alternating with flat and deep interspaces or notches, said notches completely filling the circuit of the screw-head and the notches gradually increasing in width and depth from the screw-shank to the crown of the head, thus enabling the cutters to clear themselves" (lines 12-20).
Date: November 23, 1880
Creator: Eckford, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent for "an engine that is adaptable to all kinds of work, and which is capable of running the heaviest locomotive and the lightest sewing-machine with equal ease and satisfaction" (lines 9-13).
Date: April 23, 1889
Creator: Hines, John Fletcher, Sr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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