Letter, 'De Diaphragmate fisso [The split diaphragm]' from John Fothergill to Richard Mead

The transcript of this letter is not available online on Ɛpsilon.

Please cite as “RS-LP-000269,” in Ɛpsilon: Royal Society accessed on 4 May 2024, https://epsilon.ac.uk/view/epsilon-testbed/royal-society/letters/RS-LP-000269