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Rotary Reversible Steam-Engine

Description: Patent for a rotary reversible steam-engine which is "not easy to get out of order, and the parts of which can be readily removed and replaced when worn or broken" (p. 1).
Date: January 28, 1890
Creator: Payne, John J. E. H.
Partner: UNT Libraries Government Documents Department

Gas-Cylinder for Elevating Heavy Ordnance

Description: Patent for "improved means for effecting the desired movements of the gun, to elevate the latter for discharge, and retract it for loading and concealment" (lines 19-24).
Date: September 30, 1890
Creator: Payne, John J. E. H.
Partner: UNT Libraries Government Documents Department
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