Letter, 'To improve vegetables' by Mr Ludwig to Jos [Joseph] Hartlib
Reference number: CLP/10i/21
Date: 1668

Description
Ludwig discusses red dyes made from various fruits, vegetables, and insects including prickled peare [prickly pear], summer island redweed, cochenill [cochineal].
Subject: Botany / Industry
Published in Philosophical Transactions as 'Observations - Concerning cochineel, accompanied with some suggestions for finding out and preparing such like substances out of other vegetables'.
- Reference number
- CLP/10i/21
- Earliest possible date
- 1668
- Physical description
- Ink on paper
- Page extent
- 4 pages
- Format
- Manuscript
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Citation
Letter, 'To improve vegetables' by Mr Ludwig to Jos [Joseph] Hartlib, 1668, CLP/10i/21, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/clp_10i_21/letter-to-improve-vegetables-by-mr-ludwig-to-jos-joseph-hartlib, accessed on 21 April 2025
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https://makingscience.royalsociety.org/items/clp_10i_21/letter-to-improve-vegetables-by-mr-ludwig-to-jos-joseph-hartlib
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Related Publications
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Observations - Concerning cochineel, accompanied with some suggestions for finding out and preparing such like substances out of other vegetables External link, opens in new tab.
Date: 31st December 1668
DOI: 10.1098/rstl.1668.0045
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Classified Papers
The 'Classified Papers' of the Royal Society are papers from British and international natural philosophers and scholars categorised according to subject areas.
Dates: 1592 - 1741
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