From:
Sir John Herschel
To:
Joseph Johann Littrow
Date:
[25 June 1822]
Source of text:
Columbia Univ. Library (ACCS: RS:HS 19.8 & C: 20.145)
Summary:
Thanks for the publications sent; lists materials JH is sending JL. Asks about quality of Josef Fraunhofer's large telescopes. JH read part of JL's letter of 2 Jan. 1822 at Astronomical Society meeting. Discusses proper motion of sun, JL's work on latitude of the pole star, observatory clocks, micrometers, and the Cambridge Observatory.
Contributor:
John Herschel Project