Introduction to the Midvale Steel facilities in Nicetown, Philadelphia, Pennsylvania with exterior pan shots of the plant and adjacent Reading Railroad lines. The beginning of a series showing large ingot used to produce gun tubes.
Written on verso: 'The Brandywine Rolling Mill (then the Lukens Mill) taken shortly before its demolition. Left to right Samuel Day, __, __, __ Bames, Edwin Dougherty, Joseph Hampton, C.L. Huston, A.F. Huston, H.B. Spackman, Dr. Charles Huston'