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Scientific American, Vol. 12, No. 13 (December 6, 1856) (1856)

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An illustration from Scientific American, Vol. 12, No. 13 (December 6, 1856), 1856, leaf 0
N UMBER 13. VOLUME, ee ‘ing ( on which the file is held fast by the jaw, CUTTING FILES. " MACHINE: FOR THE M, is secured by screws on the face of the half Scientific American, … + ep + The First Effect of Hearing RKesiored. Rowers, of the University, and suspended in inch. engages in a nut on each file rest, which It is amusing to watch the movements and | slides j in vrooves in the guides, #; one of the the Lecture Hall, before the class. {t consists to note the…

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