Search: 1840-1849::1840::05::20 in date 
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DCP-LETT-568A

From:
Charles Robert Darwin
To:
Alexander Young Spearman, 1st baronet
Date:
20 May 1840
Source of text:
The National Archives (TNA) (T1/4524 paper 25824)
Summary:

The fourth number of part one of the Zoology has now been published. The Smith, Elder & Co. account is submitted.

Contributor:
Darwin Correspondence Project
Text Online

KEMP7

From:
Robert Chambers
To:
William Kemp
Date:
20 May 1840
Source of text:
Cambridge University Library (MS Add. 10252/3)
Summary:

The bearer of the letter, Thomas Smibert, is a friend of RC and his brother, William Chambers. RC would like WK to show him the raised beaches.

Contributor:
Ruth Cramond
Text Online

Faraday1278

From:
William Whewell
To:
Michael Faraday
Date:
20 May 1840
Source of text:
TCC MS O.15.49, f.67
Summary:

No summary available.

Contributor:
Faraday Project
Text Online

Faraday1279

From:
Michael Faraday
To:
William Whewell
Date:
20 May 1840
Source of text:
TCC MS O.15.49, f.13
Summary:

No summary available.

Contributor:
Faraday Project

Herschel382

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[1840-5-20 or later]
Source of text:
RGO 6.463.81
Summary:

A note agreeing with GA about prism interference [see GA's 1840-5-20].

Contributor:
John Herschel Project

Herschel4698

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[20 May 1840]
Source of text:
RS:HS 1.87 (C: RGO 6.463.80)
Summary:

Concerning prism refraction.

Contributor:
John Herschel Project
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