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1810-1819::1818::04 in date 
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From:
Charles Babbage
To:
Sir John Herschel
Date:
1818-4
Source of text:
RS:HS 2.93
Summary:

Cannot help him with the Commercium epistolicum [by Pierre Fermat]. Leaving town for a few days. Regarding the kaleidoscope.

Contributor:
John Herschel Project
From:
George Peacock
To:
Sir John Herschel
Date:
[1 April 1818]
Source of text:
RS:HS 13.259
Summary:

Observer for the forthcoming observatory is to be the Plumian Professor. Gives news of other professorships and gives opinion of JH's chances should he apply for any.

Contributor:
John Herschel Project
From:
George Nayler
To:
William Herschel
Date:
[10 April 1818]
Source of text:
RS:HS 13.146
Summary:

Encloses two sketches of proposed armorial ensigns, and would be pleased to receive them back with Sir William's preferences.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[26 April 1818]
Source of text:
RS:HS 2.92 (C: RS:HS 20.54)
Summary:

Please send the third volume of J. E. Montucla's Histoire de mathématiques. Is running into difficulties with his history of mathematics owing to lack of translations. Regarding kaleidoscopes. Has been reading David Brewster's experiments on Mother of pearl.

Contributor:
John Herschel Project