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The Royal Society: Science in the Making

Letter, 'On litmus, red cabbage and other test liquors' from James Watt to Charles Blagden

Reference number: L&P/8/85

Date: 29 May 1784

Description

Subject: Chemistry

Published in Philosophical Transactions, as 'On a new method of of preparing a test liquor to shew the presence of acids and alkalies in chemical mixtures'

Read date not given.

Reference number
L&P/8/85
Earliest possible date
29 May 1784
Physical description
Ink on paper
Page extent
10 pages
Format
Manuscript

Creator name

James Watt

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Citation

James Watt, Letter, 'On litmus, red cabbage and other test liquors' from James Watt to Charles Blagden, 29 May 1784, L&P/8/85, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/l-and-p_8_85/letter-on-litmus-red-cabbage-and-other-test-liquors-from-james-watt-to-charles-blagden, accessed on 16 March 2026

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https://makingscience.royalsociety.org/items/l-and-p_8_85/letter-on-litmus-red-cabbage-and-other-test-liquors-from-james-watt-to-charles-blagden

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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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