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Differential Construction
Patent for "a new and Improved Differential Construction" (lines 5-6). "The object of the present invention is to provide a differential particularly suitable for motor vehicles... whereby the spinning of the wheels... is effectually prevented while the relative movement thereof necessary in passing around curves is freely allowed" (lines 22-31).
Date:
May 21, 1919
Creator:
Reagan, Edgar U. G.
System:
The Portal to Texas History