Upper and Lower Quadrants
Just taking a picture of the signals between trains on the approaches to South Station. The two aspect semaphore in the foreground is telling the engineer to proceed at restricted speed (?) and the typical lower quadrant Boston Terminal Company semaphore is giving a clear indication.
Photographed by Ron DeFilippo, December 24, 1969.
Added to the photo archive by Ron DeFilippo, March 19, 2019.
Railroad: Boston Railway Terminal.
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