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Quick-Adjusting Wrench.

Description: Patent for quick adjusting wrenches that simplify and improve the constructions and increase the efficiency and utility of hese types of devices. The movable jaw can be instantly released or locked.
Date: June 11, 1918
Creator: Grogan, Edward W.
Partner: UNT Libraries Government Documents Department

Shoe-Fitting Stool.

Description: Patent for new and useful improvements in a shoe fitting stool which "comprises a simple and efficient means of this nature so arranged that the measurements of the foot of a person may be quickly and readily determined." (lines 15-20) including instructions and illustrations.
Date: May 11, 1915
Creator: Reed, Allen Trousdale
Partner: UNT Libraries Government Documents Department

Self-Signaling Device For Railroads.

Description: Patent for a self-signalling device for railroads that is simple and efficient. Instructions and illustration included.
Date: April 11, 1916
Creator: Littlepage, Rufus E.
Partner: UNT Libraries Government Documents Department
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