'Observations on a Treatise wrote by Monsieur Helvetius of Paris design'd to prove that the Lungs do not divide and expand the Blood, but on the contrary cool and condense it' by Frank Nicholls

'Observations on a Treatise wrote by Monsieur Helvetius of Paris design'd to prove that the Lungs do not divide and expand the Blood, but on the contrary cool and condense it' by Frank Nicholls, 1729, RBO/14/64, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/rbo_14_64/observations-on-a-treatise-wrote-by-monsieur-helvetius-of-paris-designd-to-prove-that-the-lungs-do-not-divide-and-expand-the-blood-but-on-the-contrary-cool-and-condense-it-by-frank-nicholls, accessed on 18 January 2026

https://makingscience.royalsociety.org/items/rbo_14_64/observations-on-a-treatise-wrote-by-monsieur-helvetius-of-paris-designd-to-prove-that-the-lungs-do-not-divide-and-expand-the-blood-but-on-the-contrary-cool-and-condense-it-by-frank-nicholls

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