UNT Libraries Government Documents Department - 4 Matching Results

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Tourist's Glass.

Description: Patent for improvements to tourists' glasses, "intended for use to tourists, hunters, ranchmen, botanists, minerologists, and analogous purposes" (lines 25-27) including illustrations.
Date: July 21, 1914
Creator: Faehrmann, John M.

Trephine.

Description: Patent for an improved, simple, durable, inexpensive, and efficient trephine that is easily assembled and takes up little space. It retains better results than other trephines.
Date: March 21, 1893
Creator: MacKenzie, Joseph Alexander
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