. The street railway review . This department is devoted to the construction and operation of electric railwaypower houses. Correspondence from practical men is specially invited. Both theusers and makers of power house appliances are expected to give their views andexperiences on subjects within the range of the department TELL-TALE ATTACHMENT FOR CIRCUITBREAKER. A small device that will tend to relieve the power station engiii of his care and worry is an arrangement for automatically giving notice when a switchboard circuit brealAn attachment of this kind is used at the power house of the Un
. The street railway review . This department is devoted to the construction and operation of electric railwaypower houses. Correspondence from practical men is specially invited. Both theusers and makers of power house appliances are expected to give their views andexperiences on subjects within the range of the department TELL-TALE ATTACHMENT FOR CIRCUITBREAKER. A small device that will tend to relieve the power station engiii of his care and worry is an arrangement for automatically giving notice when a switchboard circuit brealAn attachment of this kind is used at the power house of the UnionStreet Railway Co., at New Bedford, Mass, In this particular brass knob on the handle, rhe collar on the handle and thi m the boll are each connected bj wire with a small cell-bat-tery, the two wires constituting when the breakei a nor niallv open circuit. It will he understood thai as long .1- the breakei remainthe local battery circuit will be open bui when the breaker $the handle will fly up ring the kn< ing strip, c
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
