From:
David T. Ansted
To:
Sir John Herschel
Date:
[10 December 1859]
Source of text:
RS:HS 1.400
Summary:
Further regarding the portrait of William Herschel, and his advice to the present owner.
Contributor:
John Herschel Project
Further regarding the portrait of William Herschel, and his advice to the present owner.
Thanks for the photographic notes and for the remarks on color blindness. The remarks on the composition of colors interested him as he has difficulty in distinguishing shades of brown and green.