UNT Libraries Government Documents Department - 3 Matching Results

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The Mississippi River from Vicksburg to Baton Rouge
Map illustrating the Mississippi River and the region that lies between Vicksburg, Mississippi, and Baton Rouge, Louisiana. Borders, hills, cities, and railroads are shown. 1 inch = 20 miles.
Self-Locking, Nut.
Patent for a "simple and efficient device" for "securely holding a nut upon a bolt" (lines 76-77).
Motor
Patent for a motor for a sewing machine that is simple and less expensive.
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