. Electric railway journal . MAINTENANCE As you read the maintenance articles in this issue, they willperhaps suggest the thought of maintenance materials. Johns-Manville Products are maintenance materials each ofwhich has proven itself and earned its reputation in service. The marketing of these maintenance is governed by a policyknown as Johns-Manville Service —a service that renders every cooperation before and duringthe purchase of materials and afterwards stands sponsor forthe results of their What J-M Niagrite Means to theElectric Railway Engineer The covering of those part
. Electric railway journal . MAINTENANCE As you read the maintenance articles in this issue, they willperhaps suggest the thought of maintenance materials. Johns-Manville Products are maintenance materials each ofwhich has proven itself and earned its reputation in service. The marketing of these maintenance is governed by a policyknown as Johns-Manville Service —a service that renders every cooperation before and duringthe purchase of materials and afterwards stands sponsor forthe results of their What J-M Niagrite Means to theElectric Railway Engineer The covering of those parts of cables that are unprotected by ductsor lead sheathing, such as the terminals of cables in tunnels or man-holes, on cable rocks and back of switchboards is recognized as im-portant. This is particularly true where large cables and, therefore, heavy currents are handled. The atmospheric conditions in tunnels and man-holes and the necessity of fireproofing cablesagainst heavy current surges or even short cir-cuits, call for a material that must be generallyapplicable. J-M Niagrite is such a material. It is a densefelt compound furnished in the form of a list-ing wrapped on the cable and then impregnatedwith J-M Fire-and-Water-Proof Cement. Theresult is a sheath that is as hard as bone, a fireretardent, and absolutely waterproof. We are selling more J-M Niagrite every yearto Electric Railways. May we add you to thelist of users? Ask nearest branch for par-ticulars. J-M Niagrite is one of the many textil
Size: 2313px × 1080px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
