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

leaf 3

An illustration from Scientific American, Vol. 65, No. 21 (1891), 1891, leaf 3
or. In ears at each with water, the remainder of the space then being the pawl glides over the lower ratchet wheel, the in- occupied by steam. Whengas isto be used the burner ternal gear causes the rotation of the stock and its bit, side of the socket are pivoted arms carrying the is connected by… … 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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