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Mechanical Movement.
Patent for a new and improved mechanical movement. This design consists in "[t]he combination, with the vertical post or upright having guideways formed therein, and the horizontally-disposed shaft having the pinion secured thereon, of the slidable block or frame, the rack-bars pivotally secured to the lower end thereof and having oppositely-projecting teeth, and the spring connected to the lower ends of said rack-bars" (lines 68-75).
Date:
October 9, 1888
Creator:
Kincaid, James W.
System:
The Portal to Texas History