The lower quadrant semaphores that guarded the approach to Boston's South Station from 1899 to the mid-1980s frame a departing MBTA commuter train led by an FP-10.
Four of the MBTA's 19 FP-10s were originally delivered with steam boilers for use with steam-heated ex-NH coaches, as in the case of this pair ready to depart Boston's South Station for Providence... (more)