Pittsburg Collection

A blooming mill Pittsburg Pennsylvania USA early 1900s

Steelworks Pittsburg Pennsylvania USA early 1900s

Pig iron machine at steelworks Pittsburg Pennsylvania USA early 1900s

Blast furnace at steelworks Pittsburg Pennsylvania USA early 1900s

Loading pig iron into railroad cars at steelworks Pittsburg Pennsylvania USA early 1900s

Pig iron machine at steelworls Pittsburg Pennsylvania USA early 1900s

A Block House at Fort Pitt Pittsburg USA early 1900s

Confluence of the Allegheny and Monongahela Rivers, Pittsburg, USA early 1900s

CREIGHTON GLASS WORKS
Cracking off the end of the glass cylinder at the Creighton glass works, Pittsburgh USA Date: circa 1880

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