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Humboldt, Alexander von in correspondent 
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From:
Alexander von Humboldt
To:
Sir John Herschel
Date:
[29 May 1838]
Source of text:
RS:HS 10.64
Summary:

Calling his attention to the works of J. C. Poggendorf and Guillaume Weber. Does he know of the ingenious work carried out at the Cape by C. F. Gauss and Weber?

Contributor:
John Herschel Project
Text Online
From:
Friedrich Wilhelm Heinrich Alexander von Humboldt
To:
Michael Faraday
Date:
20 July 1838
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday 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