. Electric railway gazette . how many cars we have in a train—one orfifty. Each car adds its own power, and all work is no dead weight to pull, as in the case of the loco-motive. The passengers themselves furnish the weight fortraction. The switching arrangements present no difficul-ties whatever. The motors can be reversed and run equallywell in either direction. The train can be controlled fromeither end and any increase or decrease in the number ofcars will not affect the controlling mechanism. It is difficult to conceive of a more flexible system. Itseems to be the ideal sys
. Electric railway gazette . how many cars we have in a train—one orfifty. Each car adds its own power, and all work is no dead weight to pull, as in the case of the loco-motive. The passengers themselves furnish the weight fortraction. The switching arrangements present no difficul-ties whatever. The motors can be reversed and run equallywell in either direction. The train can be controlled fromeither end and any increase or decrease in the number ofcars will not affect the controlling mechanism. It is difficult to conceive of a more flexible system. Itseems to be the ideal system for the elevated roads, and isbound to be adopted in the near future. 76 THE STREET RAILWAY GAZETTE. May, 1890 New Designs in Poles.* We show in this issue a number of new de-signs in iron and wooden poles recently placedupon the market by the Sprague company. Poles Nos. 5, 6, 7, 9 and 10, as shown in theaccompanying views, are for use where double Does Current Between Wheel andIncrease Traction?* Rail BY O. T. I No. 7. tracks are used, and a center double bracketpole is required. Poles Nos. 5 and 6 are somewhat simple indesign. The main current wires in these polesare carried directly on the pole itself, instead ofon the bracket arms. These poles are also setin concrete, with their base resting upon a stonefoundation. Pole No. 7 is a very popular style of doubletrack iron pole, of neat and tasteful design. Themethod of setting is the same as in the otherstyles. Pole No. 9 shows a wooden pole with squaresection at base and top, and octagonal during thegreater part of its length. The pole is tapering,being ten inches square at the base and seveninches square at the top, before being bracket arms are of iron to secure it firmlyin place. The method of setting the pole isclearly illustrated in the view, the pole being setin stone, and tamped firmly in place. Pole No. 10 is used for span wire construction,one pole being required at each side of thestreet,
Size: 1934px × 1292px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1895
