Search: letter in document-type 
John Herschel in collection 
1870-1879::1871::04::07 in date 
Sorted by:

Showing 11 of 1 item

From:
Sir John Herschel
To:
Frederick Howlett
Date:
[7 April 1871]
Source of text:
RS:HS 24.361
Summary:

Is at present too ill to involve himself in any calculations necessary for making a good optical eyepiece.

Contributor:
John Herschel Project
Document type
Transcription available