From:
Sir John Herschel
To:
Sir William Huggins
Date:
[28 May 1869]
Source of text:
RS:HS 24.262
Summary:
About an increase in sun spot activity.
Contributor:
John Herschel Project
Showing 1–4 of 4 items
About an increase in sun spot activity.
Thanks HR for sending HR's book on spectrum analysis [Spectrum Analysis, 1869]. Praises that publication.
Thanks for paper on comets. Offers questions, problems to be resolved, particularly on termination of comet.
No summary available.