From:
Sir John Herschel
To:
Warren de La Rue
Date:
[25 September 1857]
Source of text:
RS:HS 23.206
Summary:
Thanks for photograph of the moon.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Thanks for photograph of the moon.
Has not been able to go to Kew Observatory yet. The photoheliograph has to await John Welsh's return from Scotland. A reflector with a diagonal mirror would be suitable for celestial objects. Has now removed to Cranford.