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Somerville, Mary in correspondent 
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From:
Sir John Herschel
To:
Mary Somerville
Date:
[11 April 1865]
Source of text:
RS:HS 16.372 (C: RS:HS 24:104)
Summary:

Comments on the political change within Italy. Answers questions about spectrum analysis, spectra of nebulae, and [solar] 'willow leaves.' Says the view of universe as a collection of billiard balls is problematic. Includes postscript from JH's daughter Bella describing family events.

Contributor:
John Herschel Project
Document type
Transcription available