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Violin.

Description: Patent for violin with special arrangement of two strings. The two strings produce similar tones when vibrated.
Date: January 30, 1917
Creator: Rice, John Henry
Partner: UNT Libraries Government Documents Department

Electric Circuit Breaker

Description: Patent for circuit control apparatus that automatically opens the circuit when conditions are abnormal.
Date: January 30, 1917
Creator: Nielssen, Steffen F.
Partner: UNT Libraries Government Documents Department

Gage Cock

Description: Patent for gage cock.
Date: January 30, 1917
Creator: Lang, Victor A.
Partner: UNT Libraries Government Documents Department

Locking Mechanism

Description: Patent for locking mechanism, particulalry used in locking liquid dispensing machines.
Date: January 30, 1917
Creator: Bradley, Richard C.
Partner: UNT Libraries Government Documents Department

Grate

Description: Patent for grate that are applied to the fire box of a boiler.
Date: January 30, 1917
Creator: Brown, Sidney E. & Kain, Harry C.
Partner: UNT Libraries Government Documents Department

Post Hole Digger

Description: Patent for machine that digs holes for posts for construction.
Date: January 30, 1917
Creator: Holsomback, Lee N.
Partner: UNT Libraries Government Documents Department

Elevated Drafting Rule

Description: Patent for instrument used in drafting and ruling straight lines.
Date: January 30, 1917
Creator: Anderson, Andrew E.
Partner: UNT Libraries Government Documents Department

Soldering Device

Description: Patent for improved automatic soldering device.
Date: January 30, 1917
Creator: Bradley, Richard C.
Partner: UNT Libraries Government Documents Department

Automatic Adjustable Feeder Valve

Description: Patent for fluid pressure regulation valves.
Date: January 30, 1917
Creator: Hard, Raymond E.
Partner: UNT Libraries Government Documents Department

Windmill

Description: Patent for windmill
Date: January 30, 1917
Creator: MacEwen, Benjamin J.
Partner: UNT Libraries Government Documents Department

Road Grader

Description: Patent for road grader, that applies additional support to the frame.
Date: January 30, 1917
Creator: Hawley, Royal A.
Partner: UNT Libraries Government Documents Department

Wire Stretcher

Description: Patent for wire stretcher.
Date: January 30, 1917
Creator: Clark, Joseph G.
Partner: UNT Libraries Government Documents Department

Vehicle Tire

Description: Patent for non-pneumatic vehicle tires.
Date: January 30, 1917
Creator: Fitzharris, Frank
Partner: UNT Libraries Government Documents Department

Cotton Bag Emptier

Description: Patent for a portable derrick, that can be easily lifted and emptied.
Date: January 30, 1917
Creator: Brown, Odis A.
Partner: UNT Libraries Government Documents Department

Cotton-Harvester

Description: Patent for a cotton harvester that aides in picking the most difficult part of cotton to pick by hand. Includes instruction and illustrations.
Date: January 30, 1917
Creator: Ford, James
Partner: UNT Libraries Government Documents Department
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