Boston water works, Sudbury River Conduit, Aug. 1876, Dam no. 1, Pairing below overflow, south side of river.

Boston water works, Sudbury River Conduit, 1876, Dam no. 1, view of foundations, looking towards Frasts(?).

Current testing apparatus.

Sudbury River Conduit, Nov. 6, 1876, Div. I Sec. I, current meter.

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

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.

Sudbury River Conduit, Nov. 6, 1876, wooden 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.

Sudbury River Conduit, section #3 near Dametto orchard looking west.

Sudbury River Conduit, section 1, coffer dam at farm pond looking west.

Arch at Ellis St.(?).

The shipping, Boston Harbor.

Long wharf and shipping.

Boston Harbor from Navy Yard.

Music hall [Melville Garden, Downer Landing].

Navy Yard, Charlestown, Mass.

Lover's walk, U.S. Navy Yard, Boston, Mass.

Commandant's Ave., Boston Navy Yard.

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

Shipping, Boston Harbor.

Navy Yard on board steamer Ohio.

Gun park & barracks, Boston Navy Yard.

Charlestown Navy Yard.

Long Wharf.

General view, Charlestown Navy Yard.

The arsenal, Charlestown Navy Yard.

Park of rifled guns & machine shop, Navy Yard, Charlestown, Mass.