The application of electricity to railway working (1897)
Langdon, William Edward, 1832-1905 · London : Spon · leaf 227
ition of his signal. The form of expansion bar in use on the Midland isillustrated in Fig. 110. G is a metal tray on which the lamp 198 The Application of Electricity is made to slide. The lamp itself is a covered oil lamp, asshown in Fig. in, and, as will be seen, is provided witha hole for the… … FIG. no. thereto. B is a brass tube formed of metal 0313 inchin thickness, the outside diameter of which is 5616, or ^6 ofan inch. The end D is closed by a stout disc of metal, whileits opposite end is permanently fixed to A. C is a steel wireof No. 10 L. W. G., fixed to the metal disc D, having…
Railroads -- Equipment and supplies · Electric apparatus and appliances
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