From Christian F. Schönbein   [1846-8-8 or later?]

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

Please cite as “Herschel2503,” in Ɛpsilon: The Sir John Herschel Collection accessed on 24 April 2024, https://epsilon.ac.uk/view/herschel/letters/Herschel2503