American Iron & Steel Works Of Jones & Laughlin Steel Co, Pittsburg Pa Old Print Photogravure

American Iron & Steel Works of Jones& Laughlin Steel Company, Pittsburg, Pa.
Photogravure by Goupil et Cie after a composition by Frederic M. Falls Circa 1850 / 1860.
Proof on China paper applied on wove paper.
A panoramic and accurate view of one of the biggest industrial Steel production site in the Unired States in the XIXth century, in Pittsburg, Pensylvania.
Very rare proof, on China paper, with a certified provenance which is a must. (Goupil's archives)
Fine condition
Provenance : archives Goupil, France. One of the first proofs.
Subject: 41 x 85.4 cm            16.14 x 33.62 inches
Sheet: 84.8 x 112.7 cm            33.38 x 44.37 inches