Did You Know That?

By Leroy W. Blaker
Published on November 1, 1972
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Wm. Strayer
1884 Frick Traction Engine, very early notice link motion. Courtesy of Wm. Strayer, R. D. 1, Dillsburg, Pa. 17019.

Alvordton, Ohio 43501

Many of the steam traction engine manufacturers built some
compound engines. A compound engine uses the steam twice before it
is exhausted up the smokestack to increase the draft. The low
pressure cylinder generally has about double the piston area of the
high pressure cylinder, and gets its steam after it leaves the high

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