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Herschel, John in author 
Herschel, John in correspondent 
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From:
Sir John Herschel
To:
Alexander von Humboldt
Date:
[18 March 1829]
Source of text:
RS:HS 21.43
Summary:

In response to AH's 1828-10-8, JH writes to tell him of William Herschel's ideas on nebulae and the Magellanic Clouds.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Alexander von Humboldt
Date:
[31 July 1838]
Source of text:
RS:HS 10.65 & 21.255
Summary:

Regrets he was unable to meet him when in Hanover. Took no part in Guillaume Weber's operations at the Cape, but has become acquainted with them through Weber's volumes. Has pressed the Admiralty on the necessity of Magnetic Observatories at various places. Regarding AH's observations on the barometer.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Alexander von Humboldt
Date:
1844-6-10 or [1844-5
Source of text:
RS:HS 22.197
Summary:

Extensive letter answering the many queries about nebulae raised by AH in his 1844-4-18 [letter contains notes made by AH].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Alexander von Humboldt
Date:
[2 November 1845]
Source of text:
RS:HS 22.253
Summary:

Sends thanks and very high praise for AH's first volume of Kosmos. Also comments on a number of other astronomical matters.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Alexander von Humboldt
Date:
[11 February 1850]
Source of text:
RS:HS 23.84
Summary:

Answers questions raised by AH in his 1850-1-19 [letter contains notes made by AH].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Alexander von Humboldt
Date:
[8 November 1851]
Source of text:
RS:HS 23.110
Summary:

JH has been delayed in replying to AH's 1851-8-13 because of official duties at the Great Exhibition. Comments further on several astronomical matters.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Alexander von Humboldt
Date:
[1842?]
Source of text:
RS:HS 10.75
Summary:

Convey his thanks to the King for the Order of Merit. Regrets he did not see the King or AH when they visited London recently. Gives astronomical information.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Alexander von Humboldt
Date:
[1842-8-24 or later]
Source of text:
RS:HS 25.14.14
Summary:

Writes to send thanks by way of AH to the King of Prussia for the award of the Order of Merit. JH also comments on some astronomical matters.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Alexander von Humboldt
Date:
[7 August 1850]
Source of text:
RS:HS 23.89 (C: TxU:H/M-1031.3; Reel 1083)
Summary:

Offers some information on 'Coal Sacks' in Southern Cross [see AH's 1850-7-31]. Happy to hear that volume 3 of Kosmos is near completion.

Contributor:
John Herschel Project