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Herschel14254

From:
Frederic W. Ragg
To:
Sir John Herschel
Date:
[1861 to 1865]-3-23
Source of text:
TxU:H/M-0432; Reel 1093
Summary:

Claims to have demonstrated that light intensity increases as distance from light source increases. Applies this to inner planets, where sun should appear dimmer than on Earth. [JH annotation: 'Frivolous & Vexatious.']

Contributor:
John Herschel Project

DCP-LETT-3097

From:
Charles Robert Darwin
To:
Daniel Oliver
Date:
23 Mar [1861]
Source of text:
DAR 261.10: 4 (EH 88205988); Christie’s Images (Christie’s (dealers) 11 November 1998, lot 30)
Summary:

CD will publish on Primula [Collected papers 2: 45–63]. Will DO ask W. H. Fitch to make woodcuts of "pin" and "non-pin" primroses [i.e., long-styled and short-styled forms]? Encloses a sketch.

Contributor:
Darwin Correspondence Project

DCP-LETT-3096

From:
Charles Robert Darwin
To:
Philip Lutley Sclater
Date:
23 Mar [1861]
Source of text:
American Philosophical Society (Mss.B.D25.241)
Summary:

Asks about distribution of Gallus and about description of Gallus temminckii, G. R. Gray.

Contributor:
Darwin Correspondence Project
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