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1860-1869::1862::04::12 in date 
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From:
Adolphe Quetelet
To:
Sir John Herschel
Date:
[12 April 1862?]
Source of text:
Académie belgique: #26
Summary:

Informs JH of his grief over losing his son and his wife. His other son has left the military and now is helping AQ. Talks of Prince Albert's death. Asks JH not to forget AQ.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John Tyndall
Date:
[12 April 1862]
Source of text:
RS:HS 17.390b (C: 23.367; C: RI 516-17)
Summary:

Remarks on JT's papers on radiant heat and related role of moisture. Will send requested sample of rock salt. Explains difficulties using it and hopes JT will have better success, perhaps even repeating JH's experiments.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[12 April 1862]
Source of text:
RGO 6.200.16
Summary:

Needs to know, from JH, the date of the nebula observations [see GA's 1862-4-9].

Contributor:
John Herschel Project