Descriptive catalogue of wrought-iron bridges
Subtitle: fire-proof columns and floor girders, wrought-iron roof trusses, wrought-iron turn-tables, pivot bridges, park bridges, suspension bridges, columns, links, and bridge bolts, manufactured by the Keystone Bridge Company
Publisher: Keystone Bridge Company
Published: 1874
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 46
Subjects: Catalogs; Bridge construction industry; Bridges; Railroad bridges; Keystone Bridge Company
Other titles: Keystone Bridge Company's illustrated album :
Notes: Officers and directors of the company for 1874 (including Andrew and Thos. M. Carnegie) listed on p. [3].

Romaine, L.B. A guide to American trade catalogs, 1744-1900, p. 31.