From:
George Biddell Airy
To:
Sir John Herschel
Date:
[8 April 1833]
Source of text:
RS:HS 1.57
Summary:
Observations on the work of S. D. Poisson and P. G. le D. Pontecoulant. Is JH's 20-ft. telescope any use for measuring angles and distances? Discussion of solar spots.
Contributor:
John Herschel Project