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Patent
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UNT Libraries Government Documents Department
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1921
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Distant-Compass
Observations on the Method of Determining the Velocity of Airships
The Dynamometer Hub and the Flywheel of the Engine
Simple Means for Saving Fuel on Traffic Flights
Flexibility of Bearing Surfaces and Stress on Fabrics
The development of German Army airplanes during the war
Absolute Coefficients and the Graphical Representation of Aerofoil Characteristics
Airplane Balance
Well-Screen Cleaner.
Packer for Wells
Puncture-Proof Auto-Tire
Trousers.
Specification of Letters Patent.
Treatment of Crude Petroleum for Purification.
Sorghum Cutter.
Structural Unit.
Pump.
Pump.
Portable Electric Saw.
Safety-Lock For Doors and the Like.
Washing-Machine.
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