Page:Popular Science Monthly Volume 89.djvu/679

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Air Is Stronirer Than Flu man Arms

���Above: In a Syracuse automobile factory bolts are clipped with this pneumatic tool, with the result that a saving in time of fifty-six per cent is effected. In addition to this, the jaws last twice as long as formerly

Screwing automobile studs and nuts in place with a compressed-air tool instead of by hand, thus saving seventy-one per cent of the time required for hand work. A counterbalance holds up the motor and tool


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