. The street railway review . d carrying 2-inch cotton are fitted with phosphor-bronze bushings beingintended to remain idle on the shaft when not thrown intouse by means of improved friction clutches with whichthey are engaged. This admits of the use of either, or allpairs of rope drums at will. The driven drums are 32 feetdiameter built up in segments with centers mounted onhollow steel shafts which are supplied with independentbearings. The cable drums are of the solid type, 12 feet diameter,both being driven. They have live removable rims, inwhich are turned grooves. The system
. The street railway review . d carrying 2-inch cotton are fitted with phosphor-bronze bushings beingintended to remain idle on the shaft when not thrown intouse by means of improved friction clutches with whichthey are engaged. This admits of the use of either, or allpairs of rope drums at will. The driven drums are 32 feetdiameter built up in segments with centers mounted onhollow steel shafts which are supplied with independentbearings. The cable drums are of the solid type, 12 feet diameter,both being driven. They have live removable rims, inwhich are turned grooves. The system of tension apparatus which is in use is thatcommonly known as the direct system, and in this instance iscontained in a tower of structural iron, and is about 40feet high, thus enabhng a very wide range of movementfrom the tension carriage. The means of lengtheningand shortening the tension of dead ropes is provided onthe end of the tension carriage and is of the usual drumpattern, arranged to operate with worm wheel and B^Piilll;
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
