Descriptive catalogue of Wrought-Iron Bridges. Fire-proof columns and floot girders, wrought-iron roof trusses and turn-tables, pivot bridges, park bridges, suspension bridges, columns, links, and bridge bolts manufactured by Keystone bridge company. (Cover title: The Keystone Bridge Company's illustrated Album embracing iron bridges, roofs, columns, chord links, and shapes, with description of long-span bridges, quality of materials, and principles of construction).
Keystone Bridge Company in Pittsburgh / Philadelphia / St. Louis. - J.H. Linville / J.L. Piper / Andrew and Thos.M. Carnegie / A.D. Cherry / Walter Katte / Enoch Lewis / John A. Wilson (Company management):
From Antiquariat Carl Wegner, Berlin, B, Germany
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