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From:
Charles Robert Darwin
To:
George Cupples
Date:
20 Sept [1870]
Source of text:
Christie’s, New York (dealers) (19 December 2002, lot 41)
Summary:

Many thanks for present of a dog: he will arrange its collection from the train whenit arrives in London.

He is correcting proofs of Descent, and will send GC a copy.

Contributor:
Darwin Correspondence Project
From:
Vladimir Onufrievich Kovalevsky (Владимир Онуфриевич Ковалевский)
To:
Charles Robert Darwin
Date:
20 Sept 1870
Source of text:
DAR 169: 82
Summary:

Thanks for Cirripedia. Sorry CD has had to buy the books.

Contributor:
Darwin Correspondence Project
From:
Sir John Herschel
To:
Edward Sabine
Date:
[20 September 1870]
Source of text:
RS Sa.679
Summary:

Thanks for telegram and has dispatched papers about absorption power of actinometer liquid. Hopes letter written in Lady Sabine's handwriting does not indicate serious illness of ES.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[20 September 1870]
Source of text:
Cambridge University Library 7656/H729
Summary:

In commenting on a paper on actinometric measurements varying with depth of atmosphere, JH questions the accuracy of the equipment used.

Contributor:
John Herschel Project