Search: Main, Robert in addressee 
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From:
Sir John Herschel
To:
Robert Main
Date:
[19 September 1868]
Source of text:
RS:HS 24.227
Summary:

Thanks RM for the double star observations he has sent.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Robert Main
Date:
[29 September 1868]
Source of text:
RS:HS 24.229
Summary:

Sends RM a copy of Angelo Secchi's double star observations pointing to a very large number of calculation errors.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Robert Main
Date:
[24 November 1868]
Source of text:
RS:HS 24.240
Summary:

Seems to JH to be some systematic error in some of RM's observations; JH includes examples.

Contributor:
John Herschel Project
Document type
Transcription available