Scene In A. M. Byers Co. Plant

Front:
SCENE IN A. M. BYERS co. PLANT, PITTSBURGH, PA. 2A554 PHOTO BY TRINITY COURT STUDIO, PITTSBURGH, PA. V-48

Back:
ya This white hot sponge ball of wrought iron, made in Pittsburgh in the world's largest wrought iron mill, weighs 8,000 pounds. It is compacted into a bloom fourteen inches square by means of a 900 ton electrically driven press the largest press of its kind ever built. 1. ROBBINS & SON, PITTSBURGH, PA. PERONA PITTSBURGH PROMOTES PROGRESS