Resource Type
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
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
Improvement in Cotton-Presses.
Patent for the improvement of the cotton press using a cam-lever for operating the side of the press-box with two different application of power, including illustration.
Date:
February 16, 1858
Creator:
Witting, F. W.
System:
The Portal to Texas History