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UNT Libraries Government Documents Department
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1919
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1919
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Even-Balance Pump-Jack
Fire-Spreading Device
Air Heating and Regulating Means for Internal Combustion Engines
Automobile Road-Light.
Cotton Chopper.
Four Wheel Drive Mechanism
Differential
Cost Keeping for Small Metal Mines
Traps for Saving Gas at Oil Wells
Combined Collar-Button and Necktie-Holder
Burner-Cap.
Carpenter's Tool.
Bit-Hoist
Cultivator
Clothes-Pin.
Gas Producer
Copy Holder for Stenotyped Notes
Box-Cabinet
Flying Machine
Balancing Pump Jack
Cotton Seed Linting Machine.
Check-Turning Device
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