From:
George Biddell Airy
To:
Sir John Herschel
Date:
[5 April 1848]
Source of text:
RS:HS 1.198 (C: RGO 6.9.201)
Summary:
Concerning object-glasses.
Contributor:
John Herschel Project
Showing 1–3 of 3 items
Concerning object-glasses.
Concerning the new meridional instrument. Is JH coming to town soon?
Willing to let GA choose the best objective lens [see GA's 1848-4-5]; then JH offers another possibility; all are ill at Collingwood.