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
Road-Scraper
Patent for a road grading machine. Illustrations included.
Date:
December 24, 1912
Creator:
Wallis, John Wesley
System:
The Portal to Texas History