Inside Out Library · Explore
Scientific American, Vol. 43, No. 11 (September 1880) (1880)
leaf 0
braces between the top N. Y., August 12. The time was 2 minutes 11% seconds. lb. per square inch. chords, and also between the chains, proportioned to take The bridge consists of three spans. The center span is This wonderful speed was exceeded August 27, at Hartford, up the strains from wind… … THE POINT BRIDGE PITTSBURG. PA-BUILT BY THE AMERICAN BRIDGE COMPANY. © 1880 SCIENTIFIC AMERICAN, INCPatented · Patents · Improved · Oysters · Iron · Feet · Consists · Sole manufacturers · Post office · Scientific American · Patent issued · Devil fish · Wrought iron · Good oysters · Rhode island · Sulphuric acid · Outer oil
Internet Archive · Public domain (published before 1931). Free to use for anything.
More pictures from Scientific American, Vol. 43, No. 11 (September 1880)
More like this
