Electric railway gazette (1895) (14755892031)

Identifier: electricrailwayg10newy (find matches)
Title: Electric railway gazette
Year: 1895 (1890s)
Authors:
Subjects: Electric railroads
Publisher: New York : (W.J. Johnston Co.)
Contributing Library: MIT Libraries
Digitizing Sponsor: MIT Libraries



Text Appearing Before Image:
eneaththe center of the car. As the car moves on thechain drops by gravity and another portion of thechain is brought into contact with other sectionsthrough the inlluence of the magnet and these inturn become charged. New York Rapid Transit Bill. Electrolysis of Water Mains. The following reference to the electrolysis ofpljies by currents leaking from street railway cir-cuits Is contained in a paper recently read by Geo.P. Low before the Pacific Coast Association ofFire Chiefs at San Francisco: A new feature ofconcern that will, sooner or later, force itself uponthose in your calling is the possible destruction ofwater mains and all underground metal workfrom the use of electric railway circuits having aground return. This destruction, which is due tothe action technically known as electrolysis, con-sists in the corrosion of water mains which have,perforce, become conductors of the electric rail-way current. A remedy of the evil may be hadin converting the circuit from a grounded one
Text Appearing After Image:
TIBBALS-PDKVIS CLOSED CONDUIT ELECTKIC RAILWAY SYSTEM. projects but slightlj. If any, above the surface ofthe glass conduit. This feature has been exag-gerated in the drawing. It is also hermeticallysealed. This conduit is buried in asphaltum orPortland cement midway between the railwaytracks, leaving the copper sections exposed. The cars proposed are in all respects similar tothose used in the overhead trolley sytem, withthe exception that instead of conveying the elec-tricity by means of the overhead trolley, an in-verted horseshoe electromagnetis placed under-neath the car, and in its center line about midwaybetween the front and rear trucks. This magnetis separated at the toe about 13 inches in theclear and between the bars of the magnet areplaced two trolley wheels, one immediately pre-ceding the other. These are Insulated from themagnet except that the magnet coils are con-nected in shunt with the trolley wheels. The trol-ley wheels are connected with the motor by wiresnot shown