UNT Libraries Government Documents Department - 3 Matching Results

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Circulating-Fan

Description: Patent for a circulating fan for cooling rooms. Illustrations included.
Date: July 11, 1911
Creator: Jalonick, Hartwell

Fiber-Cleaning Machine

Description: Patent for a machine for decorticating plants and cleaning the pulp from the fibers. Illustrations included.
Date: July 18, 1911
Creator: Vaughan, Henry L.

Trolley

Description: Patent for a trolley that has a secure connection to the trolley line.
Date: July 4, 1911
Creator: Irwin, Walter W.
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