From:
Sir John Herschel
To:
Robert Hunt
Date:
[17 February 1843]
Source of text:
George Eastman House, 15.17 (C: RS:HS 22.147)
Summary:
Clarification of priority to the prismatic analysis of the Daguerreotype photograph; comments on the location of a limiting diaphragm in a camera obscura.
Contributor:
John Herschel Project