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 Work on sec.C, EBT showing derrick platform Derrick platform sec.C shaft, EBT Showing part of bracing of shaft sec.C, EBT Inside a tunnel with a machine on a track to the left Man pushing a cart inside a tunnel as seen from behind Timbering for pump chamber sec.EBT Showing entrance to pump chamber sec.C., EBT Smokestack for boiler house sec.C, EBT Bottom end of stack for boilers sec.C,EBT Showing smokestack for boiler house sec.C, EBT Showing stack for sec.C, EBT Erecting smokestack for boilers sec.C, EBT Erecting smokestack for sec.C, EBT plant Stack for boilers for sec.C, EBT Erecting stack for plant for sec.C, EBT Derrick platform and Boiler House sec.C, EBT Concrete foundations for air compressors for sec.C, EBT Work on sec.C, EBT looking easterly from Boiler House Looking easterly on sec.C, EBT showing roadway under runway Showing front end of shield for sec.C, EBT before putting on the pletes Showing front and side of shield for Sec.C, EBT Top and rear end of shield for sec.C Side and rear end of shield for sec.C, EBT Detail of shield for sec.C Detail of shield for sec.C, EBT Showing concreting platform sec.B, shaft, State St. at Atlantic Ave. Concreting platform in shaft sec.B, EBT State St. at Atlantic Ave. Showing a portion of Court St. side of Ames Building, Boston, Mass., June 11, 1902 Windows on Court St. side of Ames Building Windows on Court St. side of Ames Building to go with 1565 Part of Washington St. side of Ames Building, Boston, Mass., June 11, 1902 Windows on Washington St. side of Ames Building Changes in sec.5 showing bracing at southerrly end