From:
Sir John Herschel
To:
Frederick Howlett
Date:
[24 April 1870]
Source of text:
RS:HS 24.306
Summary:
Writes to compare notes on sunspot observations.
Contributor:
John Herschel Project
Showing 1–3 of 3 items
Writes to compare notes on sunspot observations.
Comments on remarkable solar activity. JH admits he has no theory to explain sunspots.
Is at present too ill to involve himself in any calculations necessary for making a good optical eyepiece.