To Gilbert Farquhar Graeme Mathison   [30 April 1851]

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

Please cite as “Herschel13576,” in Ɛpsilon: The Sir John Herschel Collection accessed on 25 April 2024, https://epsilon.ac.uk/view/herschel/letters/Herschel13576