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Scientific American, Vol. 32, No. 5 (1875) (1875)
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reverse action of the blade. simple, and consists of an eccentric on the crank pin of the It is first necessary to glance at the mode of securing the progress and history since certainly show the propriety of pitman, which, through a connecting rod extending along the that acknowledgment. Mr. Hugh… … © 1875 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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