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in subjects: "levers"  
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Lifting-Jack.

Description: Patent for a strong, simple, and easily-operable lifting-jack meant for use in railroad car-axle boxes. It is a lifting bar with ratchet teeth, a lever that pivots against the lifting bar, a mechanism that holds and releases the bar, a pawl, and a double-arm spring connected to the pawl.
Date: August 13, 1895
Creator: Hough, William S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Baling Press

Description: Patent for a baling press. This invention provides a lever and connection to move the plunger to the sliding fulcrum. Illustration included.
Date: October 2, 1906
Creator: Woodward, Lemuel A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for improvements in car-couplings by enhancing a device called pin-lifter to couple and uncouple rail cars. Illustration is included.
Date: September 8, 1891
Creator: Weathersby, Sarah Ann
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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