Search: Herschel, John in correspondent 
Roscoe, Henry Enfield in correspondent 
1860-1869::1867 in date 
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Herschel2180

From:
Henry Enfield Roscoe
To:
Sir John Herschel
Date:
[15 October 1867]
Source of text:
RS:HS 14.425
Summary:

Will forward information on spectrum analysis when he receives it. Asks if JH is interested in studying the photochemistry of the sun during the upcoming eclipse.

Contributor:
John Herschel Project

Herschel2181

From:
Henry Enfield Roscoe
To:
Sir John Herschel
Date:
[25 October 1867]
Source of text:
RS:HS 14.426
Summary:

Pleased that JH's son [John] will examine the chemical intensity of the sun during the eclipse. Offers suggestions for successful experiment. Sends paper regarding chemical intensity at the tropics.

Contributor:
John Herschel Project
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