Letter, 'Diagrams of sunspots' from Humphry Marshall to Benjamin Franklin

Reference number: L&P/6/32

Date: 1773

Description

Subject: Astronomy

Published in Philosophical Transactions, as 'Extract of a letter from Mr. Humphry Marshall, of West Bradford, in Chester County, Pennsylvania, to Dr. Franklin, sent with sketches of the solar spots, dated May 3, 1773'

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Reference number: L&P/6/32
Earliest possible date: 1773
Physical description: Ink on paper
Page extent: 220 pages
Format: Manuscript

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Citation

Letter, 'Diagrams of sunspots' from Humphry Marshall to Benjamin Franklin, 1773, L&P/6/32, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/l-and-p_6_32/letter-diagrams-of-sunspots-from-humphry-marshall-to-benjamin-franklin, accessed on 15 May 2025

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https://makingscience.royalsociety.org/items/l-and-p_6_32/letter-diagrams-of-sunspots-from-humphry-marshall-to-benjamin-franklin

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Related Publications

XXVI. Extract of a letter from Mr. Humphry Marshall, of West Bradford, in Chester County, Pennsylvania, to Dr. Franklin, sent with sketches of the solar spots, dated May 3, 1773 External link, opens in new tab.

Date: 31st December 1774

DOI: 10.1098/rstl.1774.0026

Hierarchy

This item is part of:

Letters and Papers of a scientific nature submitted for publication by the Royal Society
1741-1806 Reference number: L&P
Decade 6 of scientific letters and papers submitted for publication by the Royal Society
1773-1777 Reference number: L&P/6

Related Fellows

Benjamin Franklin
Recipient

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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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