Changing pipes in Tremont Street at corner of Hollis Steel-work on sec.2 looking northeasterly Work on sec.2 looking southerly Boring tools on Scow Birdseye view of sec.3 Birdseye view of sec.2, looking westerly Stone posts on incline in Public Garden Pipe crossing at Tremont and (?) Avenue Pipe crossing at Tremont Pipe crossing at Tremont opposite Warrenton St. Interior of sec.4 near Boylston Street, refuge niches Interior of sec.4 arch of one track subway Pipe crossing at Tremont St. and Shawmut Ave. opp Warrenton Pipe changings at Dock Sq. Sec.10 Washington St. looking toward Haymarket Sq. Sec.6, corner of Tremont and Park Streets Pipe changes in Dock Square Relocation of 18" gas pipe in Dock Sq. Relocation of 18" gas pipe in Dock Sq. Depression in Tremont St., sec.6 looking southerly Depression in Tremont Street., sec.6, looking towards Scollay Square, Boston, Mass. Building conveyor on Tremont St. by Old Granary Burying Ground sec.6, Boston, Mass., July 17, 1896 Relocation of 30" water pipe Tremont St. opposite Warrenton Relocation of 30" water pipe in Tremont St. sec.4 Relocation of 30" water pipe in Tremont St. sec.4 Tremont St., sec.6, looking northerly, Boston, Mass. Looking from Hotel Pelham, sec. 2, Tremont Street, Boston, Mass., September 25, 1896 Sec.6, Tremont Street, looking northerly Interior of sec.4, looking northerly, near Boylston Street Lamps, public library Lamps, public library Junction of sess. 3 & 3.5 Work on sec.5, looking southerly Sec.4, incline at work on Shawmut Ave., looking northerly Steel work in the southerly part of Adams Sq., sec.9 Looking easterly in Adams Square, sec.9, Boston, Mass. Interior of sec.7 during construction Interior of sec.7 Scollay Sq., looking southerly, showing bracing Looking northerly from ther northbound platform of the Park St. station Interior of sec.1 Opening in Scollay Square, between Cornhill and Brattle Streets, looking northerly, Boston, Mass., July 27, 1897 (?sec.7?) Opening of Brattle St. and Cornhill Testing machine for beams Testing machine for beams Old B+M Station Tearing down old Boston & Maine Station, looking northerly, Boston, Mass. Unidentified Looking easterly in the Public Garden near the subway incline Looking northerly in sec.7 under Scollay Sq. during construction