A Booklet on Signalling for Model Railroads

Clear, concise explanation of official ARA signaling, aimed at the model railroader who wants to understand the semaphores, lights, and disks that decorated the sides of train lines until very recently. Includes chapter explaining the switches and circuits that undergird the system. With very detailed drawings, typical of these early Walthers brochures, to aid the reader. 31 pages.