. The street railway review . are provided which will admit of the circuit wires beingbrought into the switch from any direction. The switchesare all made to gage and any repair part can be obtainedand a damaged part replaced in a few moments. The type E is for station and switchboard work, beingof the regular jaw pattern. The type Q is essentiallythe same as type E with the addition of a quick breakspring and is especially approved by the underwriters for anentrance or service switch for niotur w ork, constant poten-tial arc, or incandescent lighting. Two cuts of quick break switches nu)unted
. The street railway review . are provided which will admit of the circuit wires beingbrought into the switch from any direction. The switchesare all made to gage and any repair part can be obtainedand a damaged part replaced in a few moments. The type E is for station and switchboard work, beingof the regular jaw pattern. The type Q is essentiallythe same as type E with the addition of a quick breakspring and is especially approved by the underwriters for anentrance or service switch for niotur w ork, constant poten-tial arc, or incandescent lighting. Two cuts of quick break switches nu)unted on slate basesare shown, one for a pressure up to i lo volts the other for apressure up to 500 volts. Few people outsiile of a certain line of business knowwhat becomes of copper wire after it has served its purposeand been discarded. There is one firm in Chicago thatmakes a specialty of buying copper wire and burnt outincandescent lamp bases from electric railways and lightingcompanies, and handles a million pounds of this
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
