From:
Sir John Herschel
To:
George Biddell Airy
Date:
[27 February 1839]
Source of text:
RGO 6.368.620
Summary:
Thanks GA for all his efforts on Thomas Maclear's behalf [see GA's 1839-2-25]; comments on some developments in photography, including the work of Nicephore Niepce done in approximately 1826.
Contributor:
John Herschel Project