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Scientific American, Vol. 43, No. 26 (1880) (1880)
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ks occur. is once setup. It can be readily adjusted, the arms folded a new part substituted without causing delay in the work.) Such a machine, if disconnected from frame or carriage, parallel to the bar, with the drills mounted upon them, and It should occupy but little space, with the striking… … © 1880 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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