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Unpublished letter, on the variation of the magnetic needle from John Jas [James] Rorie to [John Frederick William] Herschel

Reference number: AP/12/21

Date: 1820s

Description

Rorie reports on his observations of magnetic variation in the west and east, providing data relating to latitudes and variations from his own observations. He then posits about the reasons for the variation, and provides a list of further stations where observations of variation should be made.

Subject: Geodesy

Written by Rorie at No. 12 College Street, Southampton [Hampshire, England].

Reference number
AP/12/21
Earliest possible date
1820s
Physical description
Ink on paper
Page extent
6 pages
Format
Manuscript

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Citation

Unpublished letter, on the variation of the magnetic needle from John Jas [James] Rorie to [John Frederick William] Herschel, 1820s, AP/12/21, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_12_21/unpublished-letter-on-the-variation-of-the-magnetic-needle-from-john-jas-james-rorie-to-john-frederick-william-herschel, accessed on 21 July 2024

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    Dates: 1768-1989

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