UNT Libraries Government Documents Department - 3 Matching Results

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Rotary Reversible Steam-Engine

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.

Item Type: Patent

Safe.

Patent for "safes which are made burglar and if desired, fire proof without increasing weight and cost ofthe same, reliance for security being placed upon the release or discharge of condensed gases, liquefied or not, and contained within the walls of the safe in such manner as that any attempt to force the safe will break the walls of the containing-chamber and release the fluid, said fluid or gases being of a deadly character, whereby persons or animals are compelled to flee from the vicinity… more

Date: January 6, 1891

Creator: Payne, John J. E. H.

Item Type: Patent

Gas-Cylinder for Elevating Heavy Ordnance

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.

Item Type: Patent

UNT Libraries Government Documents Department - 3 Matching Results

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Rotary Reversible Steam-Engine

Safe.

Gas-Cylinder for Elevating Heavy Ordnance