Railroading with Penn Central color light signals, learning the names of the signal aspects book 3. Copyright 1968 by the Penn Central company. A program's instruction course prepared by Labor relations and personnel Department training Center 6 Penn Center plaza, room 1240 philadelphia, Pennsylvania 19104 Booklet is slightly dog-eared and has two pieces of tape along the cover near The binding. The rest of the book is in good condition. Please see photos for condition.
