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Scientific American, Vol. 90, No. 13 (March 1904) (1904)

leaf 10

An illustration from Scientific American, Vol. 90, No. 13 (March 1904), 1904, leaf 10
to L. When it is desired to admit steam only in any direction while, at the same time, permitting it and attorneys and inventors are being constantly sub- to be readily detached when desired. In the case of to the forward end of the piston cylinder, the plate G jected to annoyance and delay… … through port R. HARROW TOOTH. the uPPer luS system. Considering that the United States Patent © 1904 SCIENTIFIC AMERICAN, INC

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