From:
Charles Robert Darwin
To:
Unidentified
Date:
24 Apr 1859
Source of text:
DAR 206 (Letters)
Summary:
Questions about stripes on mules.
Contributor:
Darwin Correspondence Project
From:
Sir John Herschel
To:
Unidentified
Date:
[25 April 1859]
Source of text:
St. John's College, Cambridge
Summary:
Comments on paper on [Strati?-]friction of electric light.
Contributor:
John Herschel Project