Washington St. windows of Ames Building, sec.1568 Washington St. windows of Ames Building Washington St. side of Ames Building Washington St. side of Ames Building Washington St. side of Ames Building Court Street side of Ames Building from roof of Sears Building, Court and Washington Streets, Boston, Mass., June 11, 1902 Front end of shield for sec.C, EBT Shield for sec.C, EBT Looking up State St. from near Atlantic Ave. Changing pipes in State St. near Atlantic Ave. Work on State St. looking toward Atlantic Ave. Looking towards Atlantic Ave on State St. Showing part of cribbing for lower shield Part of India St. side of Custom House Cribbing for lowering part of shield Sec.C, EBT cribbing for lowering 2nd section of shield into shaft Cribbing for covering 2nd section of shield for sec.C, EBT Portion of front end of sec.C shield Shield for sec.C, EBT part of rear end Sec.C, part of front end of shield Sec.C, part of shield Sec.C, EBT getting ready to lower shield Sec.C, EBT getting ready to lower shield Part of shield ready for lowering sec.C, EBT Part of shield ready for lowering sec.C, EBT Part of shield ready for lowering sec.C, EBT Getting ready to lower part of shield Shield for sec.C, EBT Part of shield ready for lowering sec.C, EBT Part of shield ready for lowering Jaynes & Co.'s Store, Hanover and Washington Sts., Boston, Mass., July 11, 1902 Northeast corner Hanover and Washington Sts., Boston, Mass., July 11, 1902 Showing location of Test sect. EBT State St. near Merchant's Row Test sect. EBT State St. at Exchange Building Test sect. EBT State St. at Exchange Building 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 Looking easterly in Maverick Sq., E. Boston