Details of flashing light signals and short arm gates installed by Pullman Railroad, to protect crossings of main line and nine switching tracks across new 115th street highway in Chicago; signals are Union Type HC81, with glass mirror reflectors and 8 3/8 in. red lenses; each lamp unit equipped with 11-v, 18-w lamp; gates are Model-10 type manufactured by Western Railroad Supply Co.
Ten automatic crossing gates on one street
Ry Signaling
Railway Signaling ; 32 , n 11
1939
6 pages
Aufsatz (Zeitschrift)
Englisch
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