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Board Roofing.

Description: Patent for a new design of roofing board. The wooden boards are designed to "contract and expand with changes of temperature" (para. 3) and to allow rain to run off without seeping into the joints of the boards.
Date: December 19, 1876
Creator: Zimmerman, Arnold W.
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Partner: UNT Libraries Government Documents Department

Wire Tightener.

Description: Patent for a new and improved wire tightener. This design consists in "[t]he combination of the bar having a longitudinal slot, with knife-edge and forked twisting-hooks, and the offsetting lever-handle having flat portion, with notch or wire-seat fulcrumed in the slot of the bar and having its outer end extended in the form of a prong between the twisting-hooks . . . to form a discharging device for the wire" (lines 64-72).
Date: March 19, 1889
Creator: Taylor, Shapley P. Ross
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement In Locks

Description: Patent for an improvement for slide door fasteners and locks. Description and illustrations are attached.
Date: August 19, 1879
Creator: Garlock, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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