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19th century

converters

history of pennsylvania

keystone view company publisher

ladles

levers

pennsylvania

pittsburg

operators

public
4 media by topic ∙ page 1 of 1
Operators and their levers handling converters and ladles, steel works, Pittsburg, Pa., U.S.A.

Operators and their levers handling converters and ladles, steel works...

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

Operators and their levers handling converters and ladles, steel works, Pittsburg, Pa., U.S.A.

Operators and their levers handling converters and ladles, steel works...

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

Operators and their levers handling converters and ladles, steel works, Pittsburg, Pa., U.S.A.

Operators and their levers handling converters and ladles, steel works...

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Operators and their levers handling converters and ladles, steel works, Pittsburg, Pa., U.S.A.

Operators and their levers handling converters and ladles, steel works...

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.