. Railway age gazette . r traverse is obtained from a second vertical shafton the side of the housing, very similar to the feed arrange-ment. The small handles shown on the end of the rail and side heads operate both the rapid power traverse and the these handles to the left engages the traverse andto the right, the regular feed, and in no case can both be en-gaged at the same time. The handle at the lower end of therail is used for reversing the direction of the rapid this is contained in the gear case at the end of the rail, andat no time is it necessary for the ope
. Railway age gazette . r traverse is obtained from a second vertical shafton the side of the housing, very similar to the feed arrange-ment. The small handles shown on the end of the rail and side heads operate both the rapid power traverse and the these handles to the left engages the traverse andto the right, the regular feed, and in no case can both be en-gaged at the same time. The handle at the lower end of therail is used for reversing the direction of the rapid this is contained in the gear case at the end of the rail, andat no time is it necessary for the operator to step from hisregular position for any of these changes. All the gears are thoroughly guarded against accidents tothe operator and all heads are taper gibbed throughout. Theclapper boxes are clamped by a heavy clamp and three screwsinstead of the usual two bolts through a cored slot. The hous-ings are of massive box form, tongued and doweled to theside of the bed and further fastened at the top by an arch of box. Improved 84-Inch Planer With Reversing Motor Drive form closed on all sides and open only at the ends where itfastens against the housings. The ways of the bed and table are oiled by forced lubricationfrom a pump at the back of the housing. All driving gears are of steel and the pinions and table racksare of steel forgings. The illustration shows the macliine with a reversible motordrive. The motor is connected directly to the driving shaftthrough a flexible coupling. The controller is mounted on thehousings. Ten cutting and ten return speeds are available. PNEUMATIC DRILLS EQUIPPED WITHROLLER BEARINGS An improved type of Little David pneumatic drill has re-cently been brought out by the Ingersoll-Rand Company, 11Broadway, New York. This drill has connecting rods runningon roller bearings combined with crank shafts running on ballbearings. The shell is so designed that the entire motor apparatus maybe assembled or dismantled through the crank case by the re-mov
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1913
