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Scientific American, Vol. 49, No. 22 (1883) (1883)
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4 feet deep, of wrought iron, riveted between the vertical posts and made of plates and angles. charge of the work,and Edmund Hayes, engineer of the | 56 feet, and at the shore ends 21 feet, and at the river ends Central Bridge Works. : 26 feet. The lower chords and centerposts are made of plates… … © 1883 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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