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Modern steel was not available in 1849. The Bessemer process was not invented until 1856 and the open hearth was developed for steelmaking even later. Instead, the wire for the cables in the Wheeling Suspension Bridge was drawn from wrought iron.
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www.si.edu/mci/english/research/past_projects/iron_wire...
www.si.edu/mci/english/research/past_projects/iron_wire_bridge.html
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John A. Roebling - Wikipedia, the free encyclopedia
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John Augustus Roebling (born Johann August Röbling , June 12, 1806 in Mühlhausen - July 22, 1869) was a German-born civil engineer famous for his wire rope suspension bridge designs, in particular,...
en.wikipedia.org/wiki/John_A._Roebling
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Suspension bridge - Wikipedia, the free encyclopedia
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A suspension bridge is a type of bridge in which the deck (the load-bearing portion) is hung below suspension cables on vertical suspenders. While modern bridges of this type date from the early 19t...
en.wikipedia.org/wiki/Suspension_bridge
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The suspension bridge, invented by the Chinese in the first century AD, is still the bridge of choice when one has to span a great distance. The greatest area of Chinese invention is in agriculture.
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www.cyberessays.com/History/90.htm
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A historic view drawing of the First Suspension Bridge - 1848 ... Look Up Niagara Falls at; ... Where did you want to be today?
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falls.wolfcrews.com/part6/1stsuspbrig1848.htm
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This item is not eligible for Amazon Prime, but millions of other items are. Join Amazon Prime today. Already a member? Sign in. ... Improved suspension bridge: Invented and patented (Unknown Binding)
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www.amazon.com/exec/obidos/ASIN/B0008734A8
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-- invented by Sir Charles Wheatstone. [1913 Webster] suspension bridge - WordNet (r) 2.1 (2005) : suspension bridge n 1: a bridge that has a roadway supported by cables that are anchored at both ends...
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onlinedictionary.datasegment.com/word/suspension+bridge
onlinedictionary.datasegment.com/word/suspension+bridge
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New Jersey. Local Legacies Project Celebrating Community Roots: American Folklife Center, Library of Congress. ... German immigrant John A. Roebling invented wire rope in 1840, which allowed construction of suspension bridges, such as The George Washington Bridge. Roebling located his wire rope-making factory in...
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lcweb2.loc.gov/diglib/legacies/NJ/200003301.html
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Geodesic Dome - a dome composed of short, straight pieces joined to form triangles; invented by Buckminster Fuller ... Suspension Bridge - a bridge in which the roadway deck is suspended from cables that pass over two towers; the cables are anchored in housings at either end of the bridge...
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www.pbs.org/wgbh/buildingbig/glossary_head.html
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