Blaw-Knox Steel Forms

by Blaw-Knox Co

$100 · Offered by Rare Aviation Books

Pittsburgh: Blaw-Knox Company, 1941. Quarto, ring bound in original card covers; 60 pp., illustrated. Very good condition. The catalogue illustrates and describes Blaw-Knox steel forms for circular and elliptical conduits, horseshoe-shaped conduits, vehicular tunnels, walls, piers, dams, caissons, bridge centering, and other applications. More

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