From:
George Biddell Airy
To:
Sir John Herschel
Date:
[12 September 1843]
Source of text:
TxU:H/M-0629.6
Summary:
Describes some available glass discs, which might do for making lenses for a large refracting telescope [see GA's 1843-8-30].
Contributor:
John Herschel Project