From:
Giovanni Antonio Plana
To:
Sir John Herschel
Date:
[9 July 1826]
Source of text:
RS:HS 13.422
Summary:
Has received a package of books from JH, some of which will be sent on as instructed. Is interested in the work of JH and James South on double stars. Also comments on parallax measure of the sun and on transits of Venus. Wants to respond to P. S. Laplace's theory of Jupiter and Saturn.
Contributor:
John Herschel Project