From:
Charles Robert Darwin
To:
William Mackmurdo Hacon
Date:
21 Apr [1864]
Source of text:
DAR 210.6: 117
Summary:
Writes about a land transaction.
Contributor:
Darwin Correspondence Project
From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[21 April 1864]
Source of text:
RS:HS 24.40
Summary:
Comments on metrification.
Contributor:
John Herschel Project