. American engineer and railroad journal . uired in conjunction withthis mill. Six mechanical changes of speedare given by this form of headstock. all ofwhich are immediately obtainable by the useof conveniently-located levers. The leversare, of course, non-interfering. The illustra-tions show how conveniently all operatinglevers are placed. The operator has everylever within easy reach of his customaryposition, and the starting and stopping de-vice is controllable from either side of themachine. The changes of speed being allobtained by gearing either through the fric-tion clutch or direct, a
. American engineer and railroad journal . uired in conjunction withthis mill. Six mechanical changes of speedare given by this form of headstock. all ofwhich are immediately obtainable by the useof conveniently-located levers. The leversare, of course, non-interfering. The illustra-tions show how conveniently all operatinglevers are placed. The operator has everylever within easy reach of his customaryposition, and the starting and stopping de-vice is controllable from either side of themachine. The changes of speed being allobtained by gearing either through the fric-tion clutch or direct, and the elimination ofthe rone and belt-style drive, with its attend-ant shifting and slipping of belts, makes thisdevice far superior in every way. Such anarrangement makes the handling of the ma-chine very satisfactory to the operator, as itrequires only the shifting of a lever to getthe desired change of speed. Twelve speedsof the table are obtainable. The heads are entirely independent of eachother and may be set to any angle. They are. GISHOLT BOEING MILL. SIOE -VIEW. SHOWING FEEDING MECHANISMAND CONTROLLING HANDLES Fill! Till; DRIVE.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
