Installations at Morris, Ohio, at crossing of Detroit, Toledo and Ironton Railroad, and Nickel Plate, includes automatic releases of routes, special key controller releases at signals, and plug type relays in welded sheet steel cabin.
D.T. and I. Installs automatic interlocking
Ry Signaling
Railway Signaling ; 34 , n 7 ; p 362-367
1941
6 pages
Aufsatz (Zeitschrift)
Englisch
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