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Cultivator.

Description: Patent for a new and improved cultivator. This design "is to produce . . . cultivators [that] can be adjusted laterally in relation to each other and turned at any desirable angle, and in which the frame and the beam can be made to stand at any desired angle to each other" (lines 17-23). It consists in "a semicircular frame, two vertical plates secured to the ends of the said frame and having their upper edges serrated, blocks placed between the plates, the plates, bolts for clamping them to op… more
Date: December 16, 1890
Creator: Ford, John Owen
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Railway Signal.

Description: Patent for a new and improved railroad signal. This design, "[w]hen the wheels of a passing train come in contact with the spring and bent end of the lever . . . said end is lowered or depressed, causing the movement in the same direction of the outer end of said lever, which, through the agency of the wire, will cause the ringing or sounding of the gong or bell as the wheels . . . come in contact with the end of the lever. . . .[A]fter the wheels of the last car of a train have passed the poin… more
Date: October 16, 1888
Creator: Ross, Albert James & Darter, John T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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