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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
Improved Mode of Regulating the Velocity and Furling the Sails of Wind-Wheels.
Patent for a new windmill using different parts to help regulate the sails and for folding and unfolding the sails, including illustration.
Date:
March 24, 1857
Creator:
Witting, F. W.
System:
The Portal to Texas History