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Clevis
Patent for a clevis. This invention is designed to connect with gang plows allowing vertical and lateral movement. Illustration included.
Date:
September 10, 1907
Creator:
Barnett, George W.
System:
The Portal to Texas History
Clutch and Transmission Mechanism
Patent for a new and useful improvements in a clutch and transmission mechanism specially applicable to motor vehicles. It has been designed for the purpose of operating the clutch and transmission for effecting changes of speed in which the speed desired can be selected in advance and then obtained by an automatic shifting of the transmission gears, when the clutch is disengaged through the operation of the clutch controlling lever.
Date:
May 10, 1921
Creator:
Mottier, Walter F.
System:
The Portal to Texas History