From:
Sir John Herschel
To:
William Henry Smyth
Date:
[28 April 1839]
Source of text:
APS B.Sm98.17 (C: RS:HS 22.13)
Summary:
Does not have operational telescope. Suggests WS set 1840 as epoch.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Does not have operational telescope. Suggests WS set 1840 as epoch.
Wants to know if JH has a larger telescope in operation; if so, will he confirm some observations. Asks JH to recommend an epoch.