The Telegraph Instructor

abbreviations Agent American Railway Association Assuming in message battery binding posts block signal block station Bourbon Chicago Chicago's received circuit clear Columbia City conductor and engineman connected counted and charged delivered delivery charges Despatcher's displayed duty electro-magnets employes error extra train extra words fixed signal flag flagman freight trains give given Hr tru HW HX Ind July 12 instructions Inwood letter local battery manager Milwaukee Wis night message notify office call opposing trains paid passed passenger train personal signal Pierceton proper provided in Rule railroad received or relayed receiving operator red signal relayed copy repeat RULE 55 schedule sender sending office sending operator sent service message set screw signature sined stop superintendent switch board telegraph telegraph office Time-table train despatcher Train Master train orders trainmen transmission transmitted Valparaiso Ind July Warsaw Western Union Winamac