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 1–2 of 2 items
Writes to compare notes on sunspot observations.
Has no idea whether the sunspots appeared suddenly or gradually. The Kew people may be able to help in this matter. Comments on some more sunspots.