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1860-1869::1868::04 in date 
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Showing 13 of 3 items

From:
Unidentified
To:
Charles Robert Darwin
Date:
6 Apr 1868
Source of text:
DAR 159: 139
Summary:

Gives details of some points that occurred to him while reading Variation, including observations on horses, cattle, silkworms, and hereditary baldness and disease.

Contributor:
Darwin Correspondence Project
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From:
Sir John Herschel
To:
Unidentified
Date:
[24 April 1868]
Source of text:
TxU:H/M-0296.2; Reel 1087
Summary:

Relation of British imperial units of weight to their 'geometrical synonyms.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Unidentified
Date:
[25 April 1868]
Source of text:
TxU:H/M-0341.2; Reel 1087
Summary:

Relation of imperial measures of capacity to their 'geometrical synonyms.'

Contributor:
John Herschel Project