UNT Libraries Government Documents Department - 4 Matching Results

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Cotton-Cleaner.

Description: Patent for a machine that cleans cotton by placing the seed into a rotating cylinder it is carried and removed using air presser through spiral fan blades and pins to rid impurities, including illustrations.
Date: September 11, 1860
Creator: Smith, Charles

Improvement in Gun-Locks.

Description: Patent for gun locks: "This invention relates to the arrangement of a complete hair trigger for Colt's revolving pistols, which is so constructed that it may be adjusted to anyone of said pistols without the assistance of a gunsmith, the only tool required for the purpose being a screw driver." (lines 21-26.)
Date: September 11, 1866
Creator: Schenck, F.
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