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Scientific American, Vol. 65, No. 21 (November 1891) (1891)

leaf 3

An illustration from Scientific American, Vol. 65, No. 21 (November 1891), 1891, leaf 3
gh an aperture in which extends the flexible conductor. In ears at each the pawl glides over the lower ratchet wheel, the in- with water, the remainder of the space then being occupied by steam. When gas is to be used the burner ternal gear causes the rotation of the stock and its bit, siile of the… … EVATT'S RATCHET DRILL. ceptional care taken in storing tools in American work- MUELLER'S LAMP COVER AND SWITCH. shops. These, in fact, were treated as if they were as the handle is drawn forward, and the lower pawl worth their weight in gold ; they were stored In safes of each cover, whereby the…

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