From:
Sir John Herschel
To:
William Empson
Date:
[27 July 1850]
Source of text:
TxU:H/L-0146; Reel 1054
Summary:
[A. J.] Ellis was correct; JH used earlier version of proof by [C. F.] Gauss in Theoria Motus Corporum Coelestium [1809] and was not aware of newer proof. But Ellis's objection to JH's proof applies only to properties of space.
Contributor:
John Herschel Project