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Scientific American, Vol. 69, No. 27 (1893) (1893)
leaf 4
eces held together by the and the other when in back motion. The box con- from the tongue through a slot in the casting, and en- valve stem and fitted with a steam-tight ring on each taining this bearing is filled with oil, so that the parts ters an arm on a sliding rod in the switch pit, there… … adapted for the representation of giving rise to more or less crateri- © 1893 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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