Hydraulic Clutch and Traction Equalizer. (open access)

Hydraulic Clutch and Traction Equalizer.

Patent for hydraulic clutches and traction equalizers. A "device for automobiles or other mother driven vehicles designed to be used in the place of the mechanism commonly known as the differential."
Date: June 17, 1919
Creator: Weston, William S.
System: The Portal to Texas History