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Improvement to Lifting-Jacks

Description: Patent for the improvement of the lifting jack which allows the user to "lower the lifting bar by a step-by-step movement as well as to elevate the lifting bar by such a movement (lines 12-14). Includes instructions and illustration."
Date: January 12, 1915
Creator: Parker, Charles W. & Wittliff, Theodore H.
Partner: UNT Libraries Government Documents Department

Transverse-Cutter Rotary Drill

Description: Patent for a rotary boring drill whose head is made of multiple parts, allowing for a larger cutter than a single piece head. The mechanism that holds the multiple parts of the head together also prevents the cross-shaft from rotating with the head.
Date: January 12, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Track-Laying Machine.

Description: Patent for improvements in track laying machines that enable railway ties to be delivered to the exact location that they are to be places in the track; includes illustrations.
Date: January 12, 1915
Creator: Simpson, Charles M.
Partner: UNT Libraries Government Documents Department

Mechanism For Casing Off Water.

Description: Patent for a mechanism for casing off water in wells so that it does not become mixed with oil or escape into the bore and be discharged to the surface.
Date: January 12, 1915
Creator: Fuqua, William Y. & Johnson, Charles J.
Partner: UNT Libraries Government Documents Department

Internal-Combustion Engine.

Description: Patent for a two-cycle, reciprocating piston internal combustion engine that preheats incoming fuel and is designed to run smoothly and reduce vibration, including illustrations.
Date: January 12, 1915
Creator: Bukoviny, Frank W.
Partner: UNT Libraries Government Documents Department

Map Cabinet

Description: Patent for a storage device designed to store maps, blueprints, artworks, and other flat objects.
Date: January 12, 1917
Creator: Fanning, Samuel H.
Partner: UNT Libraries Government Documents Department

Hot Water Heating System

Description: Patent for an improvement to open fire water heating systems in buildings.
Date: January 12, 1917
Creator: McChesney, Louis P.
Partner: UNT Libraries Government Documents Department

Automatic Film-Mover

Description: Patent for an automatic film mover which allows film in a projector to be automatically moved forwards and in reverse.
Date: January 12, 1915
Creator: Edmond, Berger & Barnes, Ned E.
Partner: UNT Libraries Government Documents Department

Door-Lock

Description: Patent for a lock which can be attached to either a right-hand or left-hand door and operated from either side. When locked from the inside, a shutter will prevent the door from being unlocked from the outside until released again from the inside.
Date: January 12, 1915
Creator: Wilson, Ira W.
Partner: UNT Libraries Government Documents Department

Portable Bath-Cabinet

Description: Patent for a bathing cabinet where the tub is supported on a swinging door such that when the door is open, the tub is in a position for use. When not in use, the tub and enclosing curtain are hidden from view and the cabinet appears to be an ordinary wardrobe. The the cabinet may be moved from place to place.
Date: January 12, 1915
Creator: Curry, Amry M.
Partner: UNT Libraries Government Documents Department
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