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From:
George Biddell Airy
To:
Sir John Herschel
Date:
[16 July 1831]
Source of text:
RS:HS 1.49
Summary:

Informs JH that he has published a new edition of his tracts (to turn Cambridge mathematics to physical applications). Wants his permission to use his theory on biaxial crystals. Remarks on David Brewster's theories and experiments.

Contributor:
John Herschel Project
From:
Francis Baily
To:
Sir John Herschel
Date:
[27 July 1831]
Source of text:
RS:HS 3.100
Summary:

John Brinkley (Bishop of Cloyne) is in town and is to dine with him next week. Hopes JH can join him.

Contributor:
John Herschel Project
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