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PACKING-RING FOR PISTON-RODS.

Description: Patent for a packing ring that will go on conveniently and will create an effective packing without putting wear on the piston.
Date: September 2, 1913
Creator: Bryant, Clarence Ross
Partner: UNT Libraries Government Documents Department

Tunnel-Driving Machine.

Description: Patent for "new and useful Improvements in Tunnel- Driving Machines" (lines 5-6), including instructions and illustrations.
Date: September 2, 1913
Creator: Speer, George F.
Partner: UNT Libraries Government Documents Department

Valve for Explosive-Engines.

Description: Patent for engine valves (rotary type) that are noiseless, connected to the the engine cylinders so that they are self grinding and self adjusting, and that cover and uncover the spark plug in a way that prevents fouling it.
Date: September 2, 1913
Creator: Ray, Albert J.
Partner: UNT Libraries Government Documents Department

Running Gear.

Description: Patent for a new and improved running-gear. This design consists in "[t]he combination, with the front and rear axles, of the tubular connection, the connection between the tubular coupling and the head-block, formed with ears, the swiveled fifth-wheel carrying ears, the connecting-pin held in said ears, and the guard attached to the ends of the head-block, to the under side of the tubular coupling, and to the connection between the coupling and the head-block at the forward end thereof" (lines 89-98).
Date: September 2, 1890
Creator: Mayfield, William Dudley
Partner: UNT Libraries Government Documents Department