Trains loaded with pig iron, showing coke ovens on left and Monongahel...
Public domain image of cattle, livestock, farm animals, agriculture, free to use, no copyright restrictions - Picryl description
Looking towards the Merchants’ Hotel from the rear, showing B. & O. bo...
Picryl description: Public domain image of a damaged, burned, or destroyed building, natural disaster, war destruction, ruins, 19th-century architecture, free to use, no copyright restrictions.
Emptying cooled pig iron from molds into car, pig iron machine, Pittsb...
Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More
Looking towards the Merchants’ Hotel from the rear, showing B. & O. bo...
Picryl description: Public domain image of a damaged, burned, or destroyed building, natural disaster, war destruction, ruins, 19th-century architecture, free to use, no copyright restrictions.
Emptying cooled pig iron from molds into car, pig iron machine, Pittsb...
Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More
Looking towards the Merchants’ Hotel from the rear, showing B. & O. bo...
Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More
Trains loaded with pig iron, showing coke ovens on left and Monongahel...
Public domain image of cattle, livestock, farm animals, agriculture, free to use, no copyright restrictions - Picryl description
Emptying cooled pig iron from molds into car, pig iron machine, Pittsb...
Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.
Emptying cooled pig iron from molds into car, pig iron machine, Pittsb...
Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.
Trains loaded with pig iron, showing coke ovens on left and Monongahel...
Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description
Looking towards the Merchants’ Hotel from the rear, showing B. & O. bo...
Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More
Trains loaded with pig iron, showing coke ovens on left and Monongahel...
Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description