Description of "Sentinel Service," feature of recently completed coast-to-coast teletype network of Baltimore and Ohio Railroad which provides communication safeguards for scheduled highspeed rail freight movement from shipper's to receiver's siding, including automatic notification to both when shipment is unexpectedly delayed.
Assure siding-to-siding carload dependability on B and O
Telegraph Telephone Age
1952
Aufsatz (Zeitschrift)
Englisch
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Comet Siding Spring Encounters Mars
NTRS | 2014
|Simplified siding-track formulae
Engineering Index Backfile | 1944
|