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Improvement in Washing-Machines.

Description: Patent for an improvement in washing machines.
Date: January 31, 1871
Creator: Nave, Andrew Jackson
Partner: UNT Libraries Government Documents Department

Improvement in Portable Fences.

Description: Patent for new and useful improvements in fences made in sections or panels. It consists in the construction and arrangement of the brackets or supports for the panels.
Date: January 12, 1875
Creator: Johnson, Jehu W.
Partner: UNT Libraries Government Documents Department

Improved Bridge.

Description: Patent for an invention that "is to provide certain improvements in the construction of bridges, whereby the parts thereof, of wood, may be readily removed for the substitution of others, when decayed or broken, without interfering with the use of the bridge or weakening it (lines 10-15)". The patent includes instructions and illustrations.
Date: January 11, 1870
Creator: McDowell, H. S.
Partner: UNT Libraries Government Documents Department
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