The great Brooklyn Bridge.

Brooklyn suspension bridge, New York City.

Brooklyn suspension bridge, New York City.

Brooklyn Bridge tower in construction.

E.R. [East River] bridge.

Queensborough Bridge in City Hall Park, New York, Spring 1916.

N.Y. & B. R.R. btw Carmel and Mahopac.

Bridge under construction.

St. Louis Bridge.

Mississippi River bridge at St. Louis, Missouri.

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Nov. 13, 1876. View taken below bridge from Newton side, showing the six completed arches.

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Nov. 13, 1876. View of south side of east abutment of arch "A", and of arches "C" and "D".

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).

Water works, Newton, Mass.

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.

Water works, Newton, Mass.

Water works, Newton, Mass.

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Nov. 13, 1876. View of south side of east abutment of large arch with half of arches "A" and "C".

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Nov. 13, 1876. View of arches "A," "C," "D," and "E" with centrings from house above Ellis St.

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View taken from the top of arch "D" and looking west.

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View of south and east sides of east abutment of large arch.

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View of south and east sides of east abutment of large arch.

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View taken on the east bank of Charles River showing north side of centering of arch "A".

Water works, Newton, Mass.

Water works, Newton, Mass.

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. North side of arch "G" with face brickwork overhead.

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View from Needham bank of Charles River showing the north side of bridge.

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View from Needham bank of Charles River showing the north side of bridge.

Sudbury River Conduit, B.W.W., div. 4, sec. 15, Oct. 18, 1876. View of large centring from east bank of river showing south side (2nd view).

B.W.W. Dam Division, Dam III, center wall and embankment, north side of Stony Brook, Dec. 6, 1877.