New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 366
nd are driven, one by a friction clutch, the other bya saw tooth clutch, the clutches being thrown by alever placed at the front of the machine convenientto the hand of the ojierator. The friction obviatesthe shock incident to starting the spindle at a highvelocity, as the motion is gradual, while… … this clutch. The turret is fi.xed to a heavy saddleand revolves automatically. One siiecial feature ofthis tool is the fact that the point at which the revo-lution takes place is adjustable and is indicated by agauge at the front of the turret slide; hence the tur-ict may te re.olved as quick as it…
Railroads · Railroad cars
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