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Rotary Steam Engine.

Description: Patent for a new and improved rotary steam engine. This design "first, provide[s] a novel form of valve for regulating the induction and eduction of steam to and from the cylinder; second, [it] provide[s] novel devices for reversing the movements of the rotating pistons; and, third, [it] provide[s] novel combinations of the parts of which the engine is composed"
Date: July 19, 1881
Creator: Cross, David L.
Partner: UNT Libraries Government Documents Department

Shutter Fastener.

Description: Patent for a new and improved blind fastening. This design "relates to an improvement in fastenings for outside blinds, shutters, or the like, and the purpose of [the] device is to provide a fastening that cannot be unlocked from the outside, even though slats be cut from the blinds or shutters to which the fastening is applied and two hands or arms are thrust through within reach of the said fastening. [The] fastening has two catching-latches, one locking and holding latch, and one bolt, all t… more
Date: March 19, 1889
Creator: Bachman, Joseph A.
Partner: UNT Libraries Government Documents Department
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