From:
George Dollond
To:
Sir John Herschel
Date:
[23 December 1842]
Source of text:
TxU:H/M-0165; Reel 1087
Summary:
Sees too many difficulties in optics of JH's proposed telescope. Can build mechanical portion, but not by March as JH requires. Cannot give estimate, because design is too novel.
Contributor:
John Herschel Project