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 1–1 of 1 item
Does not have operational telescope. Suggests WS set 1840 as epoch.