Unpublished paper, 'Description of a quadrant for measuring horizontal angles by reflection' by W [William] Barnes
Reference number: AP/14/3
Date: 1830

Description
Barnes describes the construction of his quadrant used to measure horizontal angles. The quadrant consists of a frame, an arch, a nonius, an index glass, an object glass, and a light vane. Includes a separate page of illustrations. The covering letter for this paper is found at AP/14/1/1.
Subject: Scientific Instruments
Received by the Royal Society on 7 August 1830.
- Reference number
- AP/14/3
- Earliest possible date
- 1830
- Physical description
- Ink on paper
- Page extent
- 7 pages
- Format
- Manuscript
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Citation
Unpublished paper, 'Description of a quadrant for measuring horizontal angles by reflection' by W [William] Barnes, 1830, AP/14/3, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_14_3/unpublished-paper-description-of-a-quadrant-for-measuring-horizontal-angles-by-reflection-by-w-william-barnes, accessed on 12 February 2025
Link to this record
https://makingscience.royalsociety.org/items/ap_14_3/unpublished-paper-description-of-a-quadrant-for-measuring-horizontal-angles-by-reflection-by-w-william-barnes
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Hierarchy
This item is part of:
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Archived papers: volume 14, scientific papers submitted the Royal Society unpublished or abstracted, 1830
1828-1830 Reference number: AP/14
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Archived Papers
Dates: 1768-1989
The 'Archived Papers' collection is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.View collection