File:Mathematical Bridge (Wooden Bridge), Cambridge (34039858095).jpg

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From Wikipedia: The Mathematical Bridge is the popular name of a wooden footbridge in the southwest of central Cambridge, United Kingdom. It bridges the River Cam about one hundred feet northwest of Silver Street Bridge and connects two parts of Queens' College. Its official name is simply the Wooden Bridge.

The bridge was designed by William Etheridge, and built by James Essex in 1749. It has been rebuilt on two occasions, in 1866 and in 1905, but has kept the same overall design. Although it appears to be an arch, it is composed entirely of straight timbers built to an unusually sophisticated engineering design, hence the name.

A popular fable is that the bridge was designed and built by Sir Isaac Newton without the use of nuts or bolts. Various stories relate how at some point in the past either students or fellows of the University attempted to take the bridge apart and put it back together, but were unable to work out how to hold the structure together, and were obliged to resort to adding nuts and bolts. In reality, bolts or the equivalent are an inherent part of the design. When it was first built, iron spikes were driven into the joints from the outer side, where they could not be seen from the inside of the parapets, explaining why bolts were thought to be an addition to the original. Newton could not have been directly involved since he died in 1727, twenty-two years before the bridge was constructed.
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Source Mathematical Bridge (Wooden Bridge), Cambridge
Author subherwal from London, United Kingdom
Camera location52° 12′ 20.85″ N, 0° 06′ 50.03″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by subherwal at https://flickr.com/photos/82323317@N00/34039858095. It was reviewed on 25 November 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

25 November 2021

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current03:34, 25 November 2021Thumbnail for version as of 03:34, 25 November 20211,280 × 853 (1.72 MB)JrandWP (talk | contribs)Transferred from Flickr via #flickr2commons

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