Sudbury River Conduit, B.W.W., div. 4, sec. 15, Nov. 13, 1876. South side of bridge from Newton side (centerings of arches "F" and "G" removed).

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Nov. 13, 1876. View of south side view of arches "A" and "C" with centrings.

Sudbury River Conduit, B.W.W., div. 4, Nov. 13, 1876. View inside of engineer's office at Newton Upper Falls, Mass.

Sudbury River Conduit, B.W.W. div.4, sec 15, Aug. 17 1876, view of Charles River bridges taken from Needham side, looking east.