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Wind-Motor

Description: Patent for a powerful motor for wind mills.
Date: February 18, 1919
Creator: Connolly, James H.
Partner: UNT Libraries Government Documents Department

Differential

Description: Patent for improvements in motor vehicle differentials by connecting axle sections to a worm gear.
Date: February 11, 1919
Creator: Brown, Charles Henry
Partner: UNT Libraries Government Documents Department

Flying Machine

Description: Patent for a new type of flying machine.
Date: February 18, 1919
Creator: Critchett, J. C.
Partner: UNT Libraries Government Documents Department
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