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Description

Subject: Physics

Published in Philosophical Transactions, as 'Observations of the diurnal variation of the magnetic needle at Fort Marlborough, in the Island of Sumatra'

Read 21 April 1796

Reference number
L&P/10/146
Earliest possible date
1796
Physical description
Ink on paper
Page extent
13 pages
Format
Manuscript

Creator name

John Macdonald

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Citation

John Macdonald, Letter, 'Observations of the diurnal variation of the magnetic needle at Fort Marlborough, Sumatra' from John MacDonald to John Crisp, 1796, L&P/10/146, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/l-and-p_10_146/letter-observations-of-the-diurnal-variation-of-the-magnetic-needle-at-fort-marlborough-sumatra-from-john-macdonald-to-john-crisp, accessed on 18 August 2026

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  • Letters and Papers

    'Letters and Papers' contains the scientific correspondence sent to the Royal Society through the 18th century, many of which were published in its journal.

    Dates: 1741 - 1806

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