716
PITTSBURGH, WORKSHOP OF THE WORLD, NIGHT MILL SCENE
PITTSBURGH, PA.
7A-H2701
Progress of iron and steel in America and the development of Pittsburgh into becoming the greatest steel center of the world, is written largely in the History of the many Pittsburgh steel mills.
MINSKY BROS. & CO. PUBLISHING DIVISION
PITTSBURGH, PA.
''C. T. ART COLORTONE'' REG. U.S. PAT. OFF.