21:0021:00, 3 August 2023diffhist+27
Whipple Cast and Wrought Iron Bowstring Truss Bridge
→History: Qualification AND proper authoritative citation necessary; designers in Europe alone were very advanced by the 1840s. (See image here of Brunel bridge across the Thames taken in 1845: /info/en/?search=Hungerford_Bridge_and_Golden_Jubilee_Bridges#/media/File:Hungerford_Suspension_Bridge_(1845).jpg)
21:0021:00, 3 August 2023diffhist+27
Whipple Cast and Wrought Iron Bowstring Truss Bridge
→History: Qualification AND proper authoritative citation necessary; designers in Europe alone were very advanced by the 1840s. (See image here of Brunel bridge across the Thames taken in 1845: /info/en/?search=Hungerford_Bridge_and_Golden_Jubilee_Bridges#/media/File:Hungerford_Suspension_Bridge_(1845).jpg)