2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Improvement in Devices for Driving Light Machinery from an Irregular Power.
Patent for light machinery that runs on irregular power. Device stores power produced by wind-wheel.
Date:
March 19, 1878
Creator:
Everhart, Martin
System:
The Portal to Texas History
Improvement in Wind-Wheels.
Patent for a new wind-wheel design with pivoted frame and adjustable wings.
Date:
March 19, 1878
Creator:
Everhart, Martin
System:
The Portal to Texas History