From:
Sir John Herschel
To:
[Hugh Percy (3rd Duke of Northumberland)]
Date:
[1840 to 1847]
Source of text:
RS:HS 19.164
Summary:
Lady [Pleasance] Smith conveyed Duke of Northumberland's interest in JH's color photographs. Encloses others, and explains use of light-sensitive juices of flowers to produce colors.
Contributor:
John Herschel Project