Counties
Decade
Day
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Lifting Jack.
Patent for a new and improved jack. This design consists in "the combination, with a standard provided with an elongated open slot and a moveable section adapted to slide within the slot, of an operating-lever pivoted to the standard at the side of the slot, and a link pivotally secured to the sliding section and lever, whereby the lever is thrown past the center and the sliding section thereby locked in an elevated position" (lines 67-75).
Date:
July 15, 1884
Creator:
Thorp, James L.
System:
The Portal to Texas History