From:
Sir John Herschel
To:
George Biddell Airy
Date:
[18 June 1844]
Source of text:
RS:HS 1.137 & 22.199
Summary:
Regarding object glasses for telescopes. Relative merits of Munich and French object glasses.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Regarding object glasses for telescopes. Relative merits of Munich and French object glasses.
Further observations on object glasses.