Concrete beam test made at Canal St. yard Testing concrete beams Testing concrete beams Testing concrete beams, beam with twisted rods in bottom Showing concrete beam when broken Showing break in concrete beam tested July12, 1902 Broken concrete beam Test of concrete beam with twisted rods in top and bottom Test of concrete beam with twisted rods Test section in front of Exchange Building Settlement of street (State St.) near Atlantic Ave., south side of engine house Test sec.D, EBT in front of Fisk Building Pipes etc. in front of no.78 State St. Machine cor. State and Broad Sts. Board of Trade Building View on State St. Exchange Building, sidewalk looking toward Merchants Row Outside of sidewall sec.D, EBT Ducts on South Side of sec.D at Exchange Building looking easterly Method of laying ducts on sec.D, EBT taken in front of Exchange Bldg Brooken Concrete Beam goes with 1615 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 30" water pipe in front of the Torraine looking south
