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Hunt, Robert in correspondent 
1840-1849::1843::02 in date 
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From:
Robert Hunt
To:
Sir John Herschel
Date:
[4 February 1843]
Source of text:
RS:HS 10.98
Summary:

Has been reading JH's communication to the P.M. [on solar spectrum] and wishes to point out that RH was the first to carry out those experiments, which are recounted in the P.M. for 1840.

Contributor:
John Herschel Project
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