UNT Libraries Government Documents Department - 28 Matching Results

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Mail Crane

Description: Patent for a mail crane. This invention is designed "for instantly shifting the bag or pouch holding arms of the crane" (line 17-18). Illustration included.
Date: December 13, 1904
Creator: Hardwick, Robert L.

Pump

Description: Patent for a pump for the purpose to pump out rising water in deep wells. Illustrations included.
Date: December 6, 1904
Creator: Leithauser, Peter Jerome
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