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Window-Fastener.
Patent for a spring lever for fastening sliding windows, including illustration.
Date:
August 31, 1858
Creator:
Root, Irving
System:
The Portal to Texas History
Improved Method of Feathering the Sails of Vanes of Windmills.
Patent for a new windmill design with different sails and connections, including illustrations.
Date:
March 31, 1857
Creator:
Wilson, J. C. & Wilson, T. G.
System:
The Portal to Texas History