CR Septa 857, 895, 855, 891, 845, 850, 877, 896, 4937 Philadelphia, PA 4-7-1977 (8)

CR GG-1 4937 backs 1929-1930 vintage RDG MU's 896, 877, 850, 845, 891, 855, 895, and 857 into Philadelphia's 30th Street Station during the 1977 Septa TWU strike.