From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 October 1857]
Source of text:
RS:HS 1.235 (C: RGO 6.377.437)
Summary:
Regarding orbits of comets. Lunar elements JH requires are given in P. A. Hansen's tables.
Contributor:
John Herschel Project