View of railroad crossing, Newton Corner, Newton, Massachusetts, 5997-B Detail showing switch control rods leading to the switch house in a tower, 5998-B Trolley car at old Union Station, Worcester, Massachusetts, 5999-B Trolley car at old Union Station, Worcester, Massachusetts, 6000-B Pier after fire, East Boston, Boston, Massachusetts, 6001-B Tripod used in construction of Everett Street pier, Boston, Massachusetts, 6002-B South wall of Everett Street, Boston, Massachusetts, 6003-B U.S.S. Georgia, taken from Clyde Street Pier, East Boston, Boston, Massachusetts, 6004-B U.S.S. Georgia, taken from Clyde Street Pier, East Boston, Boston, Massachusetts, 6005-B Coal pocket in freight yard, Boston, Massachusetts, 6006-B New York, New Haven, & Hartford railroad docks, view of retaining wall, South Boston, Boston, Massachusetts, 6007-B Retaining wall, west side of the entrance to Kneeland Street Yard, Boston, Massachusetts, 6008-B Constitution Wharf Warehouse, Pier 1, Atlantic Avenue, Boston, Massachusetts, 6009-B Constitution Wharf Warehouse, Pier 1, Atlantic Avenue, Boston, Massachusetts, 6010-B Interior of drafting room of Division Engineer's office in old Kneeland Street station, Boston, Massachusetts, 6011-B Drawing of Cochrane Steam Stack and Cut-Out Valve Heater and Receiver, 6012-B Drawing of Cochrane Steam Stack and Cut-Out Valve Heater and Receiver, 6013-B View of freight house in freight yard, looking southeast, Worcester, Massachusetts, 6014-B Coal dump car at coal pile, enginehouse at Cottage Farm, now known as Beacon Park Yard, Allston, Boston, Massachusetts, 6015-B Girders for the Franklin Street Bridge, Worcester, Massachusetts, 6016-B Drawing of a Hart Foot Guard for rails, 6017-B Sheet piling showing pest damage, 6018-B Sheet piling showing pest damage, 6019-B Storage warehouse, Pittsfield, Massachusetts, 6020-B Allston car repair shops, lumber used in car repairs, Brighton, Boston, Massachusetts, 6021-B Detail of turntable, old hand car in background, Wayland, Massachusetts, 6022-B Hoist and equipment used in filling in dump at Faneuil Station, Boston, Massachusetts, 6023-B Demolished wagon struck by train at grade crossing in the Berkshires, Massachusetts, 6024-B Demolished wagon struck by train at grade crossing in the Berkshires, Massachusetts, 6025-B Gravel bank along railroad, Wilbraham, Massachusetts, 6026-B Diagram of large girder for Southbridge Street bridge, Worcester, Massachusetts, 6027-B Gantry Crane and Scrap Yard, control end, West Springfield, Massachusetts, 6028-B Gantry Crane and Scrap Yard, magnet with load, West Springfield, Massachusetts, 6029-B Gantry Crane and Scrap Yard, view of transformers, West Springfield, Massachusetts, 6030-B Gantry Crane and Scrap Yard, West Springfield, Massachusetts, 6031-B Railroad by gravel pit, Millbury, Massachusetts, 6032-B Design for a timetable cover, 6033-B Old handcar, Framingham, Massachusetts, 6034-B Construction of Beacon Park engine house, general view and close up views of pits, Allston, Boston, Massachusetts, 5885-B Construction of Beacon Park engine house, general view and close up views of pits, Allston, Boston, Massachusetts, 5886-B Construction of Beacon Park engine house, Allston, Boston, Massachusetts, 5887-B Construction of Beacon Park engine house, Allston, Boston, Massachusetts, 5888-B Beacon Park engine house roof construction, Allston, Boston, Massachusetts, 5889-B Beacon Park Yard, interior view of Signal Tower #9, Allston, Boston, Massachusetts, 5890-B Cottage farm engine house, Allston, Boston, Massachusetts, 5891-B View of pier after a fire, East Boston, Boston, Massachusetts, 5892-B Interior view of pier, East Boston, Boston, Massachusetts, 5893-B Coaling plant, taken from across creek, North Greenbush, New York, 5894-B Coaling plant, taken from the north, showing head house and one truss, North Greenbush, New York, 5895-B Coaling plant, taken from the south, North Greenbush, New York, 5896-B