The Guard Gate, Gatun Lock, Panama

The Guard-Gate, Gatun Lock, Panama

Joseph Pennell

The Walls of Pedro Miguel Lock, Panama

Joseph Pennell

Dinner Time, Gatun Lock, Panama

Joseph Pennell

On the Clyde, 1917-1918: Reconstructing a Clyde Shipyard

Muirhead Bone

The Drawbridge, plate 7 from Imaginary Prisons

Giovanni Battista Piranesi

English War Work: From othe Tops of the Furnaces

Joseph Pennell

Cranes at Miraflores Lock, Panama

Joseph Pennell

The Grain Elevators, Chicago

Joseph Pennell

English War Work: The Gantry (A Merchant Shipyard)

Joseph Pennell

Coal Wharves, Staten Island, No. II

Joseph Pennell

Palisades and Palaces

Joseph Pennell

English War Work: Steel Bars for Shells

Joseph Pennell