hafts per minute. The advantage of this machine overstock machines for the purpose is that the work is broughtrapidly into position by the machine itself, instead of beingscrewed into position by a hand-operated, cross feed beforethe automatic speed of the machine comes into operation.By means of a… … Fig. 1—Special machine for cutting hex or squareper minute, cutting on o>ie side while loading on thetin other ivith a square head, are shown adjacent tois removed. Fig. 2—Another view of the machine fotop of the machine for keeping the swinging arm caas described in the text. Fig. 3—Bank of…
Automobiles · Aeronautics
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