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Humboldt, Alexander von in author 
1840-1849::1844 in date 
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From:
Alexander von Humboldt
To:
Sir John Herschel
Date:
[18 April 1844]
Source of text:
RS:HS 10.67
Summary:

Sending a letter via Ca'colia Gibson raising various queries regarding nebulae.

Contributor:
John Herschel Project
Text Online
From:
Friedrich Wilhelm Alexander von Humboldt
To:
Michael Faraday
Date:
12 May 1844
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project