To Hermann Helmholtz   5th. May 1862

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

Also published in The Correspondence of John Tyndall, vol. 7 (2019).

Please cite as “Tyndall1891,” in Ɛpsilon: The John Tyndall Collection accessed on 27 April 2024, https://epsilon.ac.uk/view/tyndall/letters/Tyndall1891