Steam Engine Compensating Gears

By W. J. Eshleman
Published on September 1, 1975
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Hostetter's Differential Courtesy of W.J. Eshleman, 722 East End Avenue, Lancaster, Pennsylvania 17602
Hostetter's Differential Courtesy of W.J. Eshleman, 722 East End Avenue, Lancaster, Pennsylvania 17602

722 East End Ave., Lancaster, Pa. 17602.

As to who invented the first differential used by automobiles, I
am unable to state, however, as to the steam traction engine, the
use of which preceded the automobile, it appears that here in
Lancaster County we have two Pennsylvania Germans whose names
should appear with the early inventors.

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