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Sir Charles Wheatstone (/ ˈ w iː t s t ə n /; [1] 6 February 1802 – 19 October 1875) was an English physicist and inventor best known for his contributions to the development of the Wheatstone bridge, originally invented by Samuel Hunter Christie, which is used to measure an unknown electrical resistance, and as a major figure in the development of telegraphy.
However, the method went unrecognised until 1843, when Charles Wheatstone proposed it, in another paper [3] for the Royal Society, for measuring resistance in electrical circuits. Although Wheatstone presented it as Christie's invention, it is his name, rather than Christie's, that is now associated with the device.
A pedestrian bridge being built over the White River comes with a price tag of $11 million but officials said it is worth the investment to link the Monon and Nickel Plate trails, two of the most ...
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also: Buildings and structures: by country: United States: by state: Indiana: Bridges Bridges in the U.S. state of Indiana . Wikimedia Commons has media related to Bridges in Indiana .
Cache River Bridge, 1988. The Vincennes Bridge Company, based in Vincennes, Indiana, was a designer and builder of bridges that was "one of Indiana's 'most successful bridge-building firms'". [1]: 12 It was founded by three schoolteachers in 1898. The firm produced more than 1200 bridges per year by 1920.
The Wilkins Mill Covered Bridge is north of Rockville, Indiana, United States. The single span Burr Arch Truss covered bridge structure was built by William Hendricks in 1906. The bridge is 120 feet (37 m) long, 16 feet (4.9 m) wide, and 13 feet (4.0 m) high. [4] [5] It was added to the National Register of Historic Places in 1978. [3]
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