. The street railway review . 12 pairs of wheels are ground per day. On account ofthe very hard service the wheels do not have a long life. Another handy air tool is the drill shown in Fig. 5. inrepairing cars, holes have to be bored in the sills and otherwood work w-ith a brace and bit, w^hich requires much timeand labor. This device is designed to do such work quicklyand easily. A bit is placed in the jaws and a flexible hosefrom the air pipe is connected to the end of the 6 shows the cross section of the turbine, the being eccentric to the cylinder. The sliding b
. The street railway review . 12 pairs of wheels are ground per day. On account ofthe very hard service the wheels do not have a long life. Another handy air tool is the drill shown in Fig. 5. inrepairing cars, holes have to be bored in the sills and otherwood work w-ith a brace and bit, w^hich requires much timeand labor. This device is designed to do such work quicklyand easily. A bit is placed in the jaws and a flexible hosefrom the air pipe is connected to the end of the 6 shows the cross section of the turbine, the being eccentric to the cylinder. The sliding bar witii 22 ^1JMSyb^\4^%to/* springs on either side to prevent leakage of the air, pre-sents a greater surface on one side than the other and ismade to rotate. The speed of the turbine is 2,500 r. p. m.,which is reduced to 1,000 r. p. m. by the gearing. Anotherturbine, designed by Frank Perry, foreman of the machineshop, has 10 chambers; this will give a corresponding de-crease in speed and increase in power. Holes up to 5 i-. /yy 9 t/efor Fenl/f ffanqer^. ara*e C/mmBo/t diameter may be bored. By attaching brushes to the jawsit can be used to clean the dirt from the trucks. A heavy machine for a street railway shop is the com-bined shear and punch, made by Hilles & Jones, which willcut a bar 2x6 in. and punch a 2-in. hole through Its belt connection is such that it is quick acting,suitable for ordinary work. With a special die bolt holesare punched in the rails in making crossings. This eflfectsa great saving in time over drilling the holes, and with thecold metal saw, crossings can now be made with much lesstime and labor. Close by the shears are 10 reels of chains, from 3-16 to\ in. in size, which are used for hanging scrapers for brakechains, etc. The reels occupy little space and are convcii-ient to the shears. All iron castings are purchased of the Wells-FrenchCompany, but a foundry has been equipped for brass wori:,Ihe output last year being 574,000 lbs. As a r
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
