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Railway Signaling 1933 December NP Tunnel operation NY&LB NKT Philadelphia Subwa
Railway Signaling 1933 December
Tunnel Operation on Northern Pacific317
Two end-of-double-track switches, controlled from telegraph office, expedite train movements through single-track tunnel
Track Circuits Without Bonds 319
New steel on 125 track miles of the M-K-T has not been bonded
Crossing Protection on the N. Y. & Long Branch321
Flashing-light signals operated by a-c. with primary-battery standby
Automatic Interlocking Eliminates Stops322
Crossing of Sacramento Northern and Western Pacific conforms with Railroad Commission's latest requirements
C. T. C. in Philadelphia Subway325
First application of this system in an underground railway .... operating costs are lowered
New Haven Rebuilds Retarders329
Describing this road's complete shopping program
.... Methods are of interest
Automatic Crossing Gates on I. C.331
Manually-operated gates are replaced by automatic hydraulic gates
B. & M. Train-Control Petition Is Granted333
I. C. C. permits removal of brake-application feature . . . . Cab indicators, with whistle, to be retained
Editorial Comment335
What's the Answer?336
Kinks340
News342
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