. American engineer and railroad journal . t through theturret, the thread may be cut any length requi-ed. The spindleis equipped with a chuck for holding the bolt or tap and is drivenby a cone pulley. The chips and oil are caught in the bed and theoil drains free from the chips through a strainer into a receiver,from which it may be drawn and used again. As the machineis fitted with nine different dies, this many different size boltsmay be threaded almost as quickly as the same number of onesize. Such a machine is especially valuable in a roundhouse,where the number of bolts of one size, to b
. American engineer and railroad journal . t through theturret, the thread may be cut any length requi-ed. The spindleis equipped with a chuck for holding the bolt or tap and is drivenby a cone pulley. The chips and oil are caught in the bed and theoil drains free from the chips through a strainer into a receiver,from which it may be drawn and used again. As the machineis fitted with nine different dies, this many different size boltsmay be threaded almost as quickly as the same number of onesize. Such a machine is especially valuable in a roundhouse,where the number of bolts of one size, to be cut at one time, issmall and where changes of size are frequent. The machine isfurnished with two nut plates and one nut plate holder, and thefollow-ing sizes of taps and dies, Yz, Y%, $i, fa I, ij^, 1%, ifjjand 1V2. Offices, Rest Room and Toilet.—A small addition to themachine shop, 16 ft. wide and about 59 ft. long, is divided intofour parts, two of the rooms, with wooden floors, being used as AMERICAN ENGINEER AND RAILROAD
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
