. Le chemin de fer de rue critique . connexion avec le Iron Mountain TI ces voitures partent sur les trains limités lundi et jeudi de chaque semaine. Les 20 février et 6 mars et 20 mars, les Wabashwill vendent des billets pour des homeseekers de Chicago à l'ensemble de son territoire sud-ouest-est. Ces billets seront offerts pour moins de la moitié de la ratepour le voyage aller-retour et F. II Tristram, A. G. P. A., 97 Adam- St .Chicago, vvill soyez heureux de fournir des cartes, des cartes de temps et des détails complets à ceux qui envisagent de tels voyages. 174 STREET RAILWAY REVIEW [VOL XVI, no 3. Amélioration de la construction des câbles souterrains. À peine deux o
1687 x 1480 px | 28,6 x 25,1 cm | 11,2 x 9,9 inches | 150dpi
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. The street railway review . connection with the Iron Mountain ti These cars leave on the limited trains Monday and Thursday ofeach week. On February 20th and March 6th and 20th the Wabashwill sell homeseekers tickets from Chicago to all of its Southwest-ern territory. These tickets will be offered for less than half ratefor the round trip and F. II. Tristram, A. G. P. A., 97 Adam- St .Chicago, vvill be pleased to furnish maps, time cards and full de-tails to those contemplating such trips. 174 STREET RAILWAY REVIEW [Vol. XVI, No. 3. Improved Underground Cable Construction. Scarcely any two of the railway companies that are obliged toplace their feeder cables underground use the same type of con-struction. The general plan, however, which is usually modifiedto meet the particular needs of each distribution system, is todraw the cables into clay ducts laid in a close formation at thebottom of a trench. This method of placing cables requires thateach conductor be not only insulated, but protected by a lead sheath.. OPEN END OF TWO-CABLE CONDUIT. The accompanying drawings illustrate a novel system of under-ground cable construction which has proved its worth in Germany.This scheme of building conduit is being introduced by the Elec-tric Cable Co.. of New York City, which manufactures the insu-lating compound that plays an important part in the conduit con-struction. By reference to the illustrations it will be seen that the arrange-ment of the cables in the trench is a simple one. For installingthe ordinary high or low tension feeder system a trench is firstexcavated to a suitable section. In this trench is laid a woodenbox. The cables are supported in their proper position within thiswooden trough by insulator blocks or bridges which lock about theconductor as shown in the illustration. These bridges are spacedabout four or five feet apart along the cables, and when the con-ductors have been stretched in place the interior of the box islined with heavy felt or simila
