. The street railway review . apacity for I-beamsup to 10 in. The machines are furnished with one saw, independentsaw-sharpening machine, five-gallon keg of lubricant, wrenches for the machine. The machines are very heavy and XEWTON COLD S.\W CUTTING OFF MACHIKB NO. T. rigid, are powerfully driven, and are adapted to the heaviest workwithin the capacity of the tool. Hamilton Ipright Drill Presses. Herewith is illustrated the Hamilton 32-in. upright drill press,one of-an improved pattern made by the Hamilton Machine ToolCo., of Hamilton, O. These drills have been entirely rede
. The street railway review . apacity for I-beamsup to 10 in. The machines are furnished with one saw, independentsaw-sharpening machine, five-gallon keg of lubricant, wrenches for the machine. The machines are very heavy and XEWTON COLD S.\W CUTTING OFF MACHIKB NO. T. rigid, are powerfully driven, and are adapted to the heaviest workwithin the capacity of the tool. Hamilton Ipright Drill Presses. Herewith is illustrated the Hamilton 32-in. upright drill press,one of-an improved pattern made by the Hamilton Machine ToolCo., of Hamilton, O. These drills have been entirely redesignedand in addition to being heavier and more powerful than formerlymade, contain such improvements as the companys long experiencehas proved to be desirable. The 32-in. drill shown illustrates theappearance and general design of the five sizes of which a specialtyIs made. The base is deep, heavy and strongly braced by transverse andfan-shaped ribbing, so as to prevent springing when under heavy 1 ^ 1 1 if ^^^^^r ^l m ^ i». HAMILTON UIRIGIIT UklLL PRESS. a wide bearing for the sliding head. It is firmly supported by astrong back sliding head has a long bearing on the column and can befirmly locked in position by large bolts having case-hardened heads. The clamping device takes up thewear automatically, no loose gib being required. Thesliding head is counterbalanced by a weight in the col-unni and can be easily raised and lowered by means ofa rack and pinion. The spindle is also The spindle is made from a crucible steel forging of 11-~^ best quality and is of large size. It is provided with• I quick approach and return by means of a rack and pinion operated by a lever. The spindle has both handand power feed for each feed. Ball bearings are usedto take up the end thrust of the back gears can be instantly engaged or disen-^^^^^ gaged by means of a lever descending parallel to the• ^ column, no wrench being required. The bearings for~
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
