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Scientific American, Vol. 55, No. 20 (1886) (1886)
leaf 4
to the left, accelerating its motion tity to be thrown out by the pump. either wooden or iron vessels, and is designed as an aid Farther particulars concerning this invention may slightly, until the contact piece slides off the plate and for sailing vessels in acalm. The screw is mounted be… … tanos, of Guadalajara, Mexico. SYLVEN’S IMPROVED PROPELLER. © 1886 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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