Coal—The Great Incline, Breaker, Mahanoy City

Coal—The Towering Breaker

Joseph Pennell

Cranes, Bessemer

Joseph Pennell

The Great Main, Near Sheffield

Joseph Pennell

In the Works, Homestead

Joseph Pennell

English War Work: Munition Works

Joseph Pennell

Old Million Eyes

Joseph Pennell

Perspective View from a series of Mines and Factories

Th (Thomas?) Defoiss

English War Work: Munition Town

Joseph Pennell

English War Work: Evening in the Munitions Country

Joseph Pennell

English War Work: The Urns, Casting Big Shells

Joseph Pennell

English War Work: The Iron Mine

Joseph Pennell

Cranes at Miraflores Lock, Panama

Joseph Pennell