The Telegraph Instructor1917 - Cipher and telegraph codes - 347 pages |
Common terms and phrases
absolute block addressed annulled battery binding posts block is clear block signals block station Cable cars Chicago Chicago's received circuit collect conductor counted and charged current of traffic deadhead delivered delivery charges direction dispatcher duty employes engine engineman extra trains extra words fixed signal flag Flagman forwarded freight green or yellow GROUND WIRE home signal indication inferior train instruments interlocking Inwood light local battery main track markers movement necessary night letter NOTE TO RULE notify office call opposing trains paid pass proceed proper railroad Railway rear receives his instructions receiving operator regular trains schedule semaphore sender sending office sending operator sent service message side signalman signature Station Agent station in advance stop Stop-signal superior train switch time-table tion tolls train dispatcher Train Master train orders trainmen transmission transmitted Valparaiso Ind Western Union Wireless yard