From:
Sir John Herschel
To:
Urbain J. J. Leverrier
Date:
[19 March 1849]
Source of text:
RS:HS 11.202 & 23.61
Summary:
Has just been able to consult Sir William Herschel's papers. Regarding Yvon Villarceau's method of measuring the orbits. May be like his own, which he briefly outlines.
Contributor:
John Herschel Project