I keep meaning to ask, was this the fire bell?
http://digitallibrary.usc.edu/cdm/si.../id/2388/rec/1 (detail)
It does not appear in all pix.
There was apparently a six-man, in-house fire department at the Arcade Station. A description of the departments and public amenities at the Arcade Station may be found here:
http://books.google.com/books?id=4w8...20tree&f=false