Search: Herschel, John in correspondent 
Selwyn, William in correspondent 
1870-1879::1870::04 in date 
Selwyn, William in author 
Sorted by:

Showing 1–2 of 2 items

Herschel2619

From:
William Selwyn
To:
Sir John Herschel
Date:
[25 April 1870]
Source of text:
RS:HS 15.507
Summary:

Is sending solar autographs. Notes that in groups of spots the larger precede the smaller spots. Can JH form any theories from this?

Contributor:
John Herschel Project

Herschel2620

From:
William Selwyn
To:
Sir John Herschel
Date:
25?] April? [1870
Source of text:
RS:HS 15.517
Summary:

Detached postscript that discusses the margins of the two photographs, which seem to show that all planets are in the near hemisphere.

Contributor:
John Herschel Project
Author
Addressee
Correspondent
Date
Document type
Contributor
Transcription available