THE BOSTON TRANSIT COMMISSION 



H/S THE HONOR TO INVITE 



U 



TO PARTICIPATE IN A TRIP THROUGH THE 

 CAMBRIDGE MAIN STREET SUBWAY AND THE CAMBRIDGE CONNECTION 

 ON THURSDAY, MARCH 21, 1912 

 TRAINS WILL LEAVE PARK STREET STATION AT 4 P.M. 



THE BOSTON TRANSIT COMMISSION 



Georqe g. Crocker George f. Swain 



horace g. allen josiah quincy 



james b. noyes 



