Plant of the blast furnace, Pittsburgh, Pa., U.S.A.
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
Plant of the blast furnace, Pittsburgh, Pa., U.S.A.
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
Hot blast stoves of a blast furnace, Pittsburg, Pa., U.S.A.
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
Hot blast stoves of a blast furnace, Pittsburg, Pa., U.S.A.
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
Carrying away and loading the pigs, blast furnace, Pittsburg, Pa., U.S...
Picryl description: Public domain image related to an industrial revolution, industry history, factory building, free to use, no copyright restrictions image.
Carrying away and loading the pigs, blast furnace, Pittsburg, Pa., U.S...
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
Plant of the blast furnace, Pittsburgh, Pa., U.S.A.
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
Plant of the blast furnace, Pittsburgh, Pa., U.S.A.
Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.
Hot blast stoves of a blast furnace, Pittsburg, Pa., U.S.A.
Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.
Plant of the blast furnace, Pittsburgh, Pa., U.S.A.
Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.
Hot blast stoves of a blast furnace, Pittsburg, Pa., U.S.A.
Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.
Carrying away and loading the pigs, blast furnace, Pittsburg, Pa., U.S...
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
Plant of the blast furnace, Pittsburgh, Pa., U.S.A.
Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.
Plant of the blast furnace, Pittsburgh, Pa., U.S.A.
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
Carrying away and loading the pigs, blast furnace, Pittsburg, Pa., U.S...
Picryl description: Public domain image related to an industrial revolution, industry history, factory building, free to use, no copyright restrictions image.
Plant of the blast furnace, Pittsburgh, Pa., U.S.A.
Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.