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1810-1819::1817::10 in date 
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Herschel5137

From:
Sir John Herschel
To:
Charles Babbage
Date:
[3 October 1817]
Source of text:
RS:HS 2.86 (C: RS:HS 20.49)
Summary:

Regarding his projected supplement. Calculus of deviations. Naming of periodical functions. [John?] Spence's manuscript.

Contributor:
John Herschel Project

Herschel13406

From:
Sir John Herschel
To:
Unidentified
Date:
[7 October 1817]
Source of text:
TxU:H/L-0638; Reel 1089
Summary:

Poses mathematical problems for 'polar equations of conic sections.'

Contributor:
John Herschel Project

Herschel8661

From:
Sir John Herschel
To:
John Galt
Date:
[15 October 1817]
Source of text:
National Archives of Canada
Summary:

Discusses editorial actions taken by JH in editing mathematical manuscripts of William Spence, including materials recently sent to JH by JG.

Contributor:
John Herschel Project

Herschel7815

From:
Sir John Herschel
To:
William Wallace
Date:
22] October [1817
Source of text:
RS:HS 20.50
Summary:

Invites WW and [Thomas] Leybourn to join JH for dinner while Charles Babbage is visiting JH at Slough.

Contributor:
John Herschel Project
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