254 The Book of Woodcraft 



— ooo = Flagman go out to protect rear of train. 



— = Flagman return from west or south. 



= Flagman return from east or north. 



— — — :.=: (when running) Train broken in two. 



To be repeated till answered by the same 

 from the trainman, i. e., No. 4 in hand, 

 flag and lamp signals. Similarly, this 

 is the answer to No. 4 of hand, flag and 

 lamp signals. 

 00 =:: (all right) the answer to any signal not 



otherwise provided for. 

 000 = (when the train is standing) back up; also 



is the reply to signals to "back up." 

 0000 = Call for signals. 



— 00 = Calls attention of other trains to signals. 

 00 = The acknowledgment by other trains. 

 — — 00 = Approaching grade-crossings, and at whis- 

 tle posts. 

 — = Approaching stations, 

 o-^ = (when double-heading) Air-brakes have 

 failed on leading engine, and second 

 engine is to take control of them. Sec- 

 ond engine repeats same as soon as it 

 has control. 

 0000000000, etc. =: Cattle (or persons) on the track. 



Air-whistle or Cord-pull: 



When the train is standing: 

 Two blasts = Start. 

 Three " = Back. 

 Four " = Put on or take off brakes. 

 Five " := Call in flagman. 



When the train is running: 



(All but the 2nd are answered by 2 blasts) 



Two blasts = Stop at once. 

 Three " = Stop at next station. 

 Four " = Reduce speed. 



