An introduction to the language of railroading, in which words, colored lights, flags, semaphore arms, coded whistles, hand signals, flares, and explosive alarms are used to guide trains and announce their arrivals and departures.
Read More
An introduction to the language of railroading, in which words, colored lights, flags, semaphore arms, coded whistles, hand signals, flares, and explosive alarms are used to guide trains and announce their arrivals and departures.
Read Less