Foster, Edwin W. [from old catalog] · Garden City, N.Y., Doubleday, Page & company · leaf 227
d with a wedge.A blow from this tooldoes not shatter the toolhandle as would a blowfrom a hammer. A com-parison of the two blows might be likened to the action of gun powder and dynamite. The slow burn- ing powder represents the action of themallet. The hammer should never beused on a chisel or… … Fig. 126. Screw-drivers
Carpentry · Woodwork
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