From:
Sir John Herschel
To:
Adolphe Quetelet
Date:
[29 April 1842]
Source of text:
Académie belgique: #17
Summary:
Stresses importance of development and phases of periodic phenomena on earth's surface. Magnitudes of stars are the only observations JH is doing. Asks for help in planning trip on continent for three of his daughters and their governess.
Contributor:
John Herschel Project