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Herschel8240

From:
Sir John Herschel
To:
John Herapath
Date:
[17 October 1822]
Source of text:
RS:HS 19.47
Summary:

Heard of Herapath's new powerful geometry methods. No new views of differential calculus on Continent. Refers to those of William Spence annexed to JH's Mathematical Essays...(1819). Explains object of combinatory analysis, popular among Germans. Has not seen M. C. T. de Damoiseau's paper on lunar theory.

Contributor:
John Herschel Project

Herschel9044

From:
William Whewell
To:
Sir John Herschel
Date:
[17 October 1822]
Source of text:
RS:HS 18.162
Summary:

Discusses regions of the Alps and sends sketch of Monte Rosa. Informs JH of a brilliant student, G. B. Airy, who is constructing a calculating machine. Condolences on the death of William Herschel.

Contributor:
John Herschel Project
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