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Faraday0749

From:
Michael Faraday
To:
Friedrich Wilhelm Heinrich Alexander von Humboldt
Date:
27 December 1834
Source of text:
TB MS
Summary:

No summary available.

Contributor:
Faraday Project

Herschel10708

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

DCP-LETT-545

From:
Charles Robert Darwin
To:
Friedrich Wilhelm Heinrich Alexander (Alexander) von Humboldt
Date:
1 Nov 1839
Source of text:
Staatsbibliothek zu Berlin – Preußischer Kulturbesitz (Nachl. Alexander von Humboldt, gr. Kasten 4, Nr. 22, Bl. 1–2)
Summary:

Gratified by AvH’s letter.

Sends data on temperature of the sea in the Galapagos, South Pacific, and the Abrolhos Islands.

Contributor:
Darwin Correspondence Project
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