Sudbury River Conduit, Nov. 6, 1876, ditch in woods for temporary ... between Farm Pond and Lake Schituate showing apparatus for rating current meter.

Boston Water works, Sudbury River Conduit, Nov. 6, 1876, automatic apparatus for recording heights of water at dam on Sudbury River.

Boston Water works, Sudbury River Conduit, Nov. 6, 1876, south end of wooden dam on Sudbury River showing R.R. bridge and small bridge used for taking experiments with current water.

Boston water works, Sudbury River Conduit, section 10, Waban Valley Bridge, view looking east shows foundations.

Boston water works, Sudbury River Conduit, Section 10, Waban Valley bridge, view looking west shows pier no. 2 and the pile foundations for pier no. 3.

Steam Engineering Building, Junior shop and shot park U.S. Navy Yard Boston , Mass.