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Scientific American, Vol. 37, No. 8 (1877) (1877)

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An illustration from Scientific American, Vol. 37, No. 8 (1877), 1877, leaf 0
linia per Annum. NEW YORK, AUGUST 25, 1877. Vol. XXXVII.—No. al [NEW SERIES.] [PosTAGE PREPAID.] RADIAL DRILLING MACHINE, erators; C the receivers; and D the … fixed on the frame of the machine con- buildings, partitions, under the floors, IMPROVED RADIAL DRILLING MACHINE. centric with the trunnion of the radial in cellars, in attics,.or in any difficult Place of access, and thus confining arm. By turning the handwheel, B, gine for extinguishing fires,…

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