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1840-1849::1840 in date 
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Herschel14181

From:
Sir John Herschel
To:
Unidentified
Date:
[1840 to 1841]
Source of text:
TxU:H/M-0407.2; Reel 1087
Summary:

Note on diurnal changes in [magnetic] variation at St. Helena and on estimated cost (£950) of observatory at St. Helena.

Contributor:
John Herschel Project

Herschel13527

From:
Sir John Herschel
To:
Unidentified
Date:
[1840- 4 or earlier]
Source of text:
TxU:H/L-0758; Reel 1089
Summary:

JH is preparing to leave residence at Slough, and all notes on William Herschel's life are packed away. Refers [?] to published biographies, but adds some corrections to those.

Contributor:
John Herschel Project

DCP-LETT-570F

From:
Charles Robert Darwin
To:
Unidentified
Date:
[2 June? 1840]
Source of text:
The British Library (Charnwood Autographs Vol. IV Add MS 70951: 315)
Summary:

Can give no information on the separation of the sexes in the guanaco.

Contributor:
Darwin Correspondence Project

Herschel8556

From:
Sir John Herschel
To:
Unidentified
Date:
[15 June 1840]
Source of text:
BostonPubLib Ms.Eng. 397
Summary:

Has no objection to the recipient's republication of the 'Examples of the Differ. & Integl Calculus by Mr. Peacock,' to which JH contributed.

Contributor:
John Herschel Project

Herschel13516

From:
Sir John Herschel
To:
Unidentified
Date:
12 November [1840?]
Source of text:
TxU:H/L-0749.5; Reel 1089
Summary:

Thanks for [?]'s note and enclosed sonnet. Sorry that old church was replaced during JH's absence from England.

Contributor:
John Herschel Project
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