From:
George Biddell Airy
To:
Sir John Herschel
Date:
[29 June 1844]
Source of text:
RS:HS 1.138
Summary:
Further observations on object glasses.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Further observations on object glasses.
Regarding object glasses for telescopes. Relative merits of Munich and French object glasses.