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Wallis, John in correspondent 
Herschel, John in addressee 
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From:
John Wallis
To:
Sir John Herschel
Date:
[13 July 1831]
Source of text:
RS:HS 18.371
Summary:

JW's observations of Jupiter on 15 Apr. 1826, with all satellites hidden. This confirms similar observation by [Samuel] Molyneux quoted in JH's [Treatise Astr.]. Has JH's letter of 29 Aug. 1819 relating to spots on Jupiter's disc. [JH annotation: 'To be added to my Astronomy.']

Contributor:
John Herschel Project
Document type
Transcription available