Search: Howlett, Frederick in addressee 
1860-1869::1867 in date 
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From:
Sir John Herschel
To:
Frederick Howlett
Date:
[29 April 1867]
Source of text:
RS:HS 10.18 & 24.194
Summary:

Would like FH to study a phenomenon that JH has noticed on the sun's disk and that has no connections with sun-spots.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Frederick Howlett
Date:
[5 May 1867]
Source of text:
RS:HS 24.198
Summary:

Proposes to travel to visit FH next day to observe the sun with him.

Contributor:
John Herschel Project