tonMass.;PittsburgPa. Galveston & HoustonTex.; San Francisc Cal.; o: No. 707 BROADWAY NEW YORK P. BLAISDELL & Co. OTIS BROS. & CO. BEAMS GIRDERS; NEW and Reynolds' Gearing Shafting., scientific american, 1871-07-22


tonMass.;PittsburgPa. Galveston & HoustonTex.; San Francisc Cal.; o: No. 707 BROADWAY NEW YORK P. BLAISDELL & Co. OTIS BROS. & CO. BEAMS GIRDERS; NEW and Reynolds' Gearing Shafting., scientific american, 1871-07-22


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