Search: Walbeck, Henrik Johan in correspondent 
1820-1829::1821 in date 
Sorted by:

Showing 12 of 2 items

From:
Henrik Johan Walbeck
To:
Sir John Herschel
Date:
[1 January 1821]
Source of text:
unknown
Summary:

Further eclipse observations from around the world [see HW's 1820-7-30].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Henrik Johan Walbeck
Date:
[26 February 1821]
Source of text:
RS:HS 18.10a (C: RS:HS 20.113)
Summary:

Reports to HW, director of the observatory at Åbo, on observations, made by a variety of British astronomers, of the solar eclipse of 7 September 1820.

Contributor:
John Herschel Project