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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[16 Oct 1856]
Source of text:
DAR 50: E9
Summary:

Note accompanying MS of part of chapter 11 ["Geographical distribution"] of Natural selection [1975].

Contributor:
Darwin Correspondence Project
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From:
Frederick Temple
To:
J. S. Henslow
Date:
16 October 1856
Source of text:
Cambridge University Library MS Add. 8177: 342
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Sir John Herschel
To:
Francis Charles Knowles
Date:
[16 October 1856]
Source of text:
RS:HS 23.182
Summary:

Thinks that aluminum coating on telescope mirrors may work [see FK's 1856-10-9]; also suggests looking into flouric glass containing aluminum for lenses of low dispersion power.

Contributor:
John Herschel Project