Search: Herschel, John in correspondent 
Walbeck, Henrik Johan in correspondent 
John Herschel Project in contributor 
letter in document-type 
Herschel, John in addressee 
Sorted by:

Showing 13 of 3 items

From:
Henrik Johan Walbeck
To:
Sir John Herschel
Date:
[30 July 1820]
Source of text:
RS:HS 18.8
Summary:

Reports recent eclipse observations around the world.

Contributor:
John Herschel Project
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:
Henrik Johan Walbeck
To:
Sir John Herschel
Date:
[2 August 1822]
Source of text:
RS:HS 18.11
Summary:

Received JH's letter [29 Apr. 1821] with 'Memoirs of Astronomical Society' and observations of recent solar eclipse. Has not published eclipse calculations. Convinced that moon's diameter is accurately determined. Latitudes, longitudes for sites in Finland. 1820-22 observations from Ã…bo. Design of new Ã…bo observatory. New instruments from Munich.

Contributor:
John Herschel Project
Document type
Transcription available