Flagging an Automatic Signal
84.1 هزار بار بازدید -
12 سال پیش
-
An operational training film showing
An operational training film showing the correct procedure to be followed by a handsignalman when flagging an automatic signal. Run time: 10 mins. Produced by Southern Region Film Unit BR Network SouthEast © 1988
12 سال پیش
در تاریخ 1391/03/03 منتشر شده
است.
84,127
بـار بازدید شده