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Incubator.

Description: Patent for an incubator, which automatically turns all the eggs to allow them to get the same amount of warmth and light.
Date: July 19, 1910
Creator: Gerard, Alonzo
Partner: UNT Libraries Government Documents Department

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

Canopy for Folding Beds.

Description: Patent for a new and improved canopy for folding beds. This design "will automatically fold up within the bed when the same is closed, and will similarly open out with the opening of the bed without any other attention than the proper arrangement of the folds of the mosquito or fly netting" (lines 21-25). It consists in "an automatically raising and lowering canopy consisting of a raising-frame having vertical bars pivoted to the bed at the bottom and a horizontal connecting-bar at the top, a c… more
Date: July 19, 1892
Creator: Eva, Addison H.
Partner: UNT Libraries Government Documents Department
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