Search: 1870-1879 in date 
de La Rue, Warren in addressee 
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From:
Sir John Herschel
To:
Warren de La Rue
Date:
[23 April 1870]
Source of text:
RS:HS 24.305
Summary:

Inquires about other sunspot observations made by JH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[5 May 1870]
Source of text:
RS:HS 24.311
Summary:

Thanks for the photographs WD sent for the dates requested in JH's 1870-4-23.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[14 July 1870]
Source of text:
RS:HS 24.322
Summary:

Comments on sunspot activity; agrees to inclusion of some paragraphs in a paper WD is writing.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[11 February 1871]
Source of text:
RS:HS 24.354
Summary:

Comments on sunspot activity.

Contributor:
John Herschel Project