Texas Patents - 2 Matching Results

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Calculator.

Description: Patent for a calculator "in which a bar having a series of numbers thereon slides in a frame or base also provided with a series of numbers" (lines 10-12). It is meant for quickly adding numbers.
Date: October 13, 1896
Creator: Copeland, Wesley Albert & Roberts, Cyrus
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drag-Saw.

Description: Patent for a simple and efficient drag-saw that can be easily transported and adjusted. The saw can also be lifted during operation if necessary. It has a frame, a longitudinally-grooved guiding-bracket attached to the frame, a reciprocating pitman-head that slides into the frame, a crank-shaft that operates the pitman-head, an arm that carries the saw with a pivotal connection to the pitman-head, a saw-frame secured to the pitman-head's outer end, an adjustable strap between the saw-carrying a… more
Date: March 3, 1896
Creator: Reeves, Newell Antony
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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