Work on sec.B, EBT, bottom of trench showing lower part of shield Elevator shaft and ry. trestle sec.B, EBT, looking south Elevator shaft and concrete mixer, sec.B, EBT View of compressor room, sec.B EBT Interior of sec.B, EBT at shaft looking north View of air locks sec.B, EBT from outside Looking towards shield from upper platform sec.B, EBT Showing steel ribs, tracks, and bottom of shield sec.B, EBT Air locks sec.B,EBT from inside compressed air Looking southerly on Lewis St. showing paving Paving on Lewis St. near Marginal St., E.B. Looking northerly on Lewis St E.B. showing settlement Showing commotion in water caused by leakage of air from sec.B, EBT Showing settlement of Lewis St. over sec.B, EBT looking northerly Buildings on south side of State St. near Atlantic Ave. Showing condition of pavement n.e. corner of Washington + Hanover Sts. Northeast corner Hanover St. and Washington Sts., looking easterly, Boston, Mass., November 4, 1901 Completing ventilating chamber corner of Hanover and Washington Sts. Completing ventilating chamber sec.10, showing street occupation Excavation on south east side of Lewis St. Excavation for building opposite plant of sec.B, EBT, s.e. side of Lewis St . Jacking up sec.B shield for removing shoe Jacking up sec.B shield for removal of shoe Bottom of roof shield sec.B showing showing broken plate State St. looking e. from w. of Chatham and showing street blocked on account of changing pipes State St. at India St. looking towards Atlantic Ave. State Street at India Street looking west from east side of Commecial Street, Boston, Mass. Looking west on State St. from easterly corner of Commercial St. Space occupied by beams piled on west side of Custom House, India Street, Boston, Mass. Showing relative positions of irongate and field office commercial State Street from westerly steps of Custom House, Boston, Mass. Buildings no.144-170 State St., northerly side State Street near Custom House looking southerly, Boston, Mass. Looking towards Custom House west side, Boston, Mass. Cramer Ceown; copy of photo of Ingersoll Sargent Air Compress... Pipe changes on State St. for sec.C, EBT looking west from Custom House Showing pile driver in front of 144 State St. State St. wall of building 154 Stae St. Party wall in cellar of 156 State St., westerly wall Method of supporting furnace in cellar of 170 State St. Showing plant for excavating shaft for sec.C, EBT Work on shaft for sec.C, EBT looking northerly from Custom House Work on shaft sec.B, EBT in State St. near Atlantic Ave. Easterly end of Old State House, Boston, Mass., March 23, 1902 Work on shaft Sec. C, looking northerly from Custom House Work on shaft sec.C, EBT looking northerly from Custom House Work on shaft of sec.C, EBT Work on State St. shaft for sec.C, EBT Shaft sec.B, EBT, State St. at Atlantic Ave. Sec.C, EBT looking northerly from Custom House
