. The Street railway journal . unction with L. B. Stillwell, consulting en-gineer for both companies, and was installed in each in-stance by Latey & Slater under the direction of Mr. Still-well. The third-rail is of the channel or inverted V sectionshown in the accompanying drawing and was rolled by the February 29, 1908.] STREET RAILWAY JOURNAL. 331 Lackawanna Steel Company in 60-ft. lengths. It weighs75 lbs. per yard and the specifications for composition werethe same as that for the Manhattan third-rail, viz.: Carbon, , , , , This c
. The Street railway journal . unction with L. B. Stillwell, consulting en-gineer for both companies, and was installed in each in-stance by Latey & Slater under the direction of Mr. Still-well. The third-rail is of the channel or inverted V sectionshown in the accompanying drawing and was rolled by the February 29, 1908.] STREET RAILWAY JOURNAL. 331 Lackawanna Steel Company in 60-ft. lengths. It weighs75 lbs. per yard and the specifications for composition werethe same as that for the Manhattan third-rail, viz.: Carbon, , , , , This composition gives a conductivity, as compared tocopper, of 1 The third-rail is bonded at every jointwith two 550,000 circ. mil bonds, supplied by the Electric f-1 - U 20- ^■o <« I* -1 forNomui Uuatlon „f CootM Ball Spaced every 8 Feet ^l CtmcrvUi to be Chipped outConcrete tu be Filled Id Luoluiig m Direction of Tiaftir- Street Hailwity JourtuU FIG, METHOD OF SETTING THIRD-RAILINSULATOR IN CONCRETE. Mal!u>ljk- Ironrt-liiili A-A FIG. r—YOKE FOR ANCHORING THIRD-KAIL h jii H Street Raihvay •Lnimai in. long, clasping the lower part of the channels and heldtogether by two ^-in. bolts. INSULATOR The third-rail insulator is of porcelain with double petti-coat 7,^/2 ins. in diameter and 3<2 ins. high. It is mounted 1 lop uf loaiilatur muBt uut inur« thany^-^ above or) ;* below Top of Gauge Ring A 3- Ht-
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
