Koilwar Bridge
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Koilwar Bridge, at Koilwar in Bhojpur spans the Sone river. This 1.44 km long, 2-lane, rail-cum-road bridge connects the city of Arrah with Patna, the capital of Bihar state in India. The bridge is na
A page from George Turnbull's 1851 notebook detailing his determining the approximate width of the mile-wide Sone River at the point where he decided that the bridge should be built. For the measurements he used his pocket compass and 22-yard chains.
George Turnbull's 1851 diary of four of his 12-day overland journey from Calcutta (travelling by night) to Sone River, and his survey there.
George Turnbull (engineer)
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George Turnbull was a Scottish engineer. He was responsible from 1851 to 1863 for the construction of the first Indian long-distance railway line: Calcutta to Benares up beside the Ganges river, 541 m
Koilwar Bridge
…overtaken by the 3.05-km long Upper Sone Bridge (Nehru Setu) on 27 February 1900. An initial survey of the bridge site was made on 17 February 1851 by George Turnbull, Chief Engineer of the East Indian Railway Company: he determined that the river then was 5,350 feet (1,630 m) feet across — the completed bridge was…
George Turnbull
George Turnbull, 1868
George Turnbull, 1835, Bute Docks, Cardiff, Wales
East Indian Railway built by George Turnbull