. The Street railway journal . the face plate at D. The boring bar used to borethe bearing is put through the hollow spindle of the lathe,which acts as a steady rest and the shoulder of the bearingis then turned off without any further truing-up. At least eight bearings an hour can bebored and turned, as againstone or two by the formermethod of truing every bear-ing separately in the BASEThe company is now usinga parallel-bearing trolley basemade of cast steel and costing$ each for material andJabor. It is only 4 ins. highover all and is adjusted for14 lbs. tension with a 5^4
. The Street railway journal . the face plate at D. The boring bar used to borethe bearing is put through the hollow spindle of the lathe,which acts as a steady rest and the shoulder of the bearingis then turned off without any further truing-up. At least eight bearings an hour can bebored and turned, as againstone or two by the formermethod of truing every bear-ing separately in the BASEThe company is now usinga parallel-bearing trolley basemade of cast steel and costing$ each for material andJabor. It is only 4 ins. highover all and is adjusted for14 lbs. tension with a 5^ trolley wheel. Thebase has a dust-proof cap onthe top and is oiled simply byremoving a small BULLDOZERA broken air cylinder hasbeen used to- form part of apneumatic bulldozer for smallwork, the arrangement beingas shown in the cut, where itwill be seen that the shock ofthe bulldozer is taken up bya wood bumper. The com-pressor furnishing air at 120lbs. is taken at random froma number waiting their retura. HOME-MADE DIVIDEDTROLLEY FORK pany is now using a split fork of the type shown, so in mostcases of breakage only half the form requires harp is made of steel and costs 30 cents with spindle,washers and other details complete. WELDING TROLLEY TUBINGInstead of consigning broken or bent tubing to the scrapheap, the poles are saved and rewelded on slack days in theblacksmith shop. The cost per weld is usually from 15 to
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
