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Scientific American, Vol. 30, No. 20 (1874) (1874)

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An illustration from Scientific American, Vol. 30, No. 20 (1874), 1874, leaf 0 — e eixteenth inch thick below the cylinder, thereby insuring straight, +mooth aud evep surfaces, or it may be rimply placed out of wird, to a thickneegs, or smoothed off at the will of the opera’or. This valves, ing lees than that necessary to equip a station for pumping improvement enables the… … THE HAMILTON SURFACE PLANER. © 1874 SCIENTIFIC AMERICAN, INC

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