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t-shirts pittsburgh t-shirts 1910 t-shirts american t-shirts early t-shirts factory t-shirts industry t-shirts iron t-shirts machinery t-shirts men t-shirts mill t-shirts mold t-shirts north t-shirts outdoor t-shirts pennsylvania t-shirts pig iron t-shirts

paintings pittsburgh paintings 1910 paintings american paintings early paintings factory paintings industry paintings iron paintings machinery paintings men paintings mill paintings mold paintings north paintings outdoor paintings pennsylvania paintings pig iron paintings

PITTSBURGH FOUNDRY. Men striking pig iron molds at a foundry in Pittsburgh, Pennsylvania. Stereograph, c1910.