Same as 1631 concrete Beam test with round steel rods parallel Looking up State St. from sec.C, EBT State St. looking easterly from derrick platform sec.C. EBT Looking up State St. from sec.C EBT Air compressors sec.C EBT Showing concrete sewer sec.D, EBT at Board of Trade Building Machine, sec.E, E.B.T.at Brazer Building, State Street, Boston, Mass., September 4, 1902 Machine on north side state between Exchange St. and Devonshire St. Looking up State St. from shaft on sec.C, EBT Machine between Exchange St. and Devonshire St. on State St. View of low pressure compressors, sec.C Air compressors, sec.C Rear of shield for sec.C, EBT in shaft Showing shield in shaft for sec.C, EBT Showing valves for operating shield sec.C, EBT Men on and below scaffolding on a construction site with a ladder on the right Boiler Boiler Construction site with a ladder under an arch Construction site with a ladder under an arch Showing 1/2 of shield for sec.C, EBT Showing 1/2 of shield for sec.C, EBT Looking northerly in shaft of section Half or rear end of sec.C shield in shaft Construction site with timbering Construction site with wooden framing and possibly steel framing Shield in sec.C, EBT Shield in sec.C, EBT in shaft Sec.C bulkhead, shield and timbering for supporting sidewall forms in shaft Showing bulkheads on sec.C shield Timbering in shaft of sec.C, EBT Timbering under shield sec.C, EBT Half of shield and wooden center and part of sidewall in shaft, sec.C, EBT Looking easterly in bottom of shaft of sec.C, EBT Sec.C, EBT tunnel shield, bracing etc. in shaft Conduits south side sec.D, EBT at Fiske Building Conduits south side sec.D, EBT Crack in sill under window 112 StateSt. Cracks over window 132 State St. Crack in building 132 State St. Ducts on south side sec.D, EBT Arrangement of ducts south side of sec.D, EBT Looking easterly in sec.C, EBT Looking easterly in sec.C, EBT Photograph from upper platform, sec.C, EBT Showing cracks in Ames building Crack in Ames Building Crack in Ames Building Crack in Ames Building Boilers - power plant for sec.C
