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Scientific American, Vol. 54, No. 12 (1886) (1886)

leaf 4

An illustration from Scientific American, Vol. 54, No. 12 (1886), 1886, leaf 4
in our sketch (No. cast on the back. The gap frame is of massive pro- 1). The point of the bayonet was held ina shoe, the SCREW CUTTING AND 8ELF-ACTING SLIDING GAP LATHE. portions, and is arranged to swing 15 ft. in diameter center of the blade rested on the bridge; the socket and 4 ft. clear of… … a quarter of a circle, and heavy duty; the arms on being released must re- 82 lb. must not deflect the blade.) wheels are all of the box cover its figure. ; %. The ‘‘ Vertical Pressure’ Test. (A weight of 40 lb. must shorter pattern, and all teeth of Cavalry Sword, Pattern the wheels, including the…

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