From:
Charles Pritchard
To:
Sir John Herschel
Date:
[15 December 1859]
Source of text:
RS:HS 14.79
Summary:
Searches for asteroids. Measures double stars and variables; Alexander Herschel assists. Asks JH's opinion of parallax measuring methods. R.S.L. funds offered to M. J. Johnson's family in his memory.
Contributor:
John Herschel Project