Search: Herschel, John in correspondent 
Hunt, Robert in correspondent 
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letter in document-type 
Herschel, John in author 
1840-1849::1843 in date 
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Herschel3810

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

Herschel3949

From:
Sir John Herschel
To:
Robert Hunt
Date:
[25 March 1843]
Source of text:
George Eastman House, 13.17 (C: RS:HS 22.150)
Summary:

Some comments about photographic processes and about RH's observations of the heavens [see RH's 1843-3-24].

Contributor:
John Herschel Project

Herschel4016

From:
Sir John Herschel
To:
Robert Hunt
Date:
[17 September 1843]
Source of text:
George Eastman House, 14.17 (C: RS:HS 22.168)
Summary:

Comments on RH's chromatype photographic process and other processes tried by JH.

Contributor:
John Herschel Project
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