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Scientific American, Vol. 24, No. 6 (February 1871) (1871)

leaf 3

An illustration from Scientific American, Vol. 24, No. 6 (February 1871), 1871, leaf 3
t was a perfect balance, upon the floor in advance of the brush, the flow being con- and saved himself twelve months of trouble and expense- troled by a valve actuated by a hand lever. In use, the hands grasp a horizontal bar, attached to the tank by brackets, Fig- 23. and the machine is rolled… … the previous position. hand, renders the wor*k far more easy and eleanly to the The movement will terminate still sooner, if any percussion operator; and, as a consequence, the work may proceed with takes place, as the sum of active force is always diminshed The leverage of the ovitside is exactly…

Patents · Crank · Force · Machine · Water · Scientific American · Sulphuric acid · Sewing machine · Reciprocating parts · Sulphurous acid · Antedated january · Versed sine · Centrifugal force · Steam engine · Exhaust steam

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