View of engineers on the project at work in their office.
Rosemary siphon, looking east from conduit, June 1877.
Rosemary siphon, looking east, June 1877.
Boston water works, Sudbury River Conduit, 1876, Division III, view of west siphon chamber.
Boston water works, Sudbury River Conduit, 1876, Division III, west siphon chamber, showing 48" pipes for siphon.
Boston water works, Sudbury River Conduit, 1876, Division III, Section 13, Almshouse embankment, looking east.
Boston water works, Sudbury River Conduit, 1876, Division III, Section 12, showing fill over conduit at Great Plains Ave.
Boston water works, Sudbury River Conduit, 1876, Division III, Section 12, sheeted trench heavy sand cutting.
Boston water works, Sudbury River Conduit, 1876, Division III, Section 12, sheeted trench heavy sand cutting.
Boston water works, Sudbury River Conduit, 1876, Division III, Section 12, Fuller's Brook waste weir.
Waban Valley bridge, south side, June 1877.
Waban Valley bridge, north side looking west, June 1877.
Boston water works, Sudbury River Conduit, 1876, Division III, Section 10, Waban Valley bridge, south side of "arch A".
Boston water works, Sudbury River Conduit, 1876, Section 10, Waban Valley bridge, view of centering "arch B".
Reverse curve, Summerwell estate, sta. 3421.
East portal, sec. 8, sta. 30978.
West portal of tunnel, sec. 8.
Rock cut, sta. 290, sec. 8.
Bacon's waste weir, sec. 7, sta. 27140.
Bacon's waste weir, sec. 7.
West portal, section 6, sta. 20184.
Boston water works, Sudbury River Conduit, 1876, Division 1, Section 1, conduit under Proctor + Albany railroad tracks.
Boston water works, Sudbury River Conduit, Nov. 6th, 1876, Division 1, Section 1, gatehouse showing inlet arch to conduit.
Boston water works, Sudbury River Conduit, Nov. 6th, 1876, Division 1, Section 1, view of Farm Pond gate house foundations, looking towards northeast corner of coffer dam.
Boston water works, Sudbury River Conduit, Nov. 6th, 1876, Division 1, Section 1, view of Farm Pond gate house foundations, looking towards northeast corner of coffer dam.
