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Scientific American, Vol. 43, No. 21 (November 1880) (1880)

leaf 7

An illustration from Scientific American, Vol. 43, No. 21 (November 1880), 1880, leaf 7
be readily under- ^f-t-^t-^. stood by referring to the engraving. The energy of the Jfloiikey, Dog, and Rats. EBICSSON'S DUPLEX CALOBIG FTTHfING ENGINE. working pistons, operating at the top of the cylinders, is A Lond on paper of recent date gives the following par- Our professional readers will… … Most persons present (includ- CAPTAIN ERICSSON'S DUPLEX CALORIC PUMPING ENGINE, © 1880 SCIENTIFIC AMERICAN, INC

Manufacture · Water · Patented · Sulphuric · Acid · Sulphuric acid · Sir henry · Sewing machine · Nitric acid · Steam pressure · Wood working · Specific gravity · Sulphur vapor · Scientific American · Working machinery

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