Pictures 3 Baltimore & Ohio Railroad Train Station, Laurel Maryland

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Baltimore & Ohio Railroad Train Station, Laurel Maryland DETAIL OF METERED WARNING BELL (PRIOR TO ARRIVAL OF TRAINS), LOCATED IN TICKET OFFICE, SOUTHWEST WALL
DETAIL OF METERED WARNING BELL (PRIOR TO ARRIVAL OF TRAINS), LOCATED IN TICKET OFFICE, SOUTHWEST WALL

Baltimore & Ohio Railroad Train Station, Laurel Maryland SPERRY CAR TRUCK SHOWING SENSORS
SPERRY CAR TRUCK SHOWING SENSORS