Paper, regarding four points to consider when constructing a bridge over a large navigable river by John Allen
Reference number: CLP/7ii/13
Date: 08 May 1729

Description
Allen presents four points to consider when constructing a bridge over a large navigable river, which include the current of the water, 'that the navigation of the river be not incommoded, or render'd dangerous in passing the bridge', the cost of building and maintaining the bridge, and the 'strength, stability and duration' of the bridge.
Subject: Civil engineering
Read to the Royal Society on 8 May 1729
- Reference number
- CLP/7ii/13
- Earliest possible date
- 08 May 1729
- Physical description
- Ink on paper
- Page extent
- 2 pages
- Format
- Manuscript
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Citation
John Allen, Paper, regarding four points to consider when constructing a bridge over a large navigable river by John Allen, 08 May 1729, CLP/7ii/13, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/clp_7ii_13/paper-regarding-four-points-to-consider-when-constructing-a-bridge-over-a-large-navigable-river-by-john-allen, accessed on 12 February 2025
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https://makingscience.royalsociety.org/items/clp_7ii_13/paper-regarding-four-points-to-consider-when-constructing-a-bridge-over-a-large-navigable-river-by-john-allen
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Hierarchy
This item is part of:
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Classified papers: volume 7ii concerning 'Architecture, Ship-building, Geography, Navigation, Voyages, Travels'
1721-1739 Reference number: CLP/7ii
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John Allen
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Classified Papers
Dates: 1592-1741
The 'Classified Papers' of the Royal Society are papers from British and international natural philosophers and scholars categorised according to subject areas.View collection