Ayer, MABM 1185 S-3 on West Main Street track. I forget whether this was a crew from Fitchburg or West Cambridge, but anyhow what this photo exemplifies is that every local and through freight train had a caboose. Seems like a long time ago.....
Photographed by Bruce Nelson, January 7, 1972.
Added to the photo archive by Bruce Nelson, June 20, 2017.
Railroad: Boston & Maine.
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