Search: Herschel, John in correspondent 
Wallace, William in correspondent 
1810-1819 in date 
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From:
William Wallace
To:
Sir John Herschel
Date:
[31 July 1815]
Source of text:
RS:HS 18.21
Summary:

Sends paper on fluxions written for Edinburgh Encyclopaedia. Uses new formulas, dispensing with binomial theorem. Brings logarithmic and exponential formulae within power of common algebraic processes.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Wallace
Date:
[23 September 1815]
Source of text:
RS:HS 20:25
Summary:

WW's elegant presentation of doctrine of limits is best basis for elementary treatise but not for extensive work, because it involves imaginary functions. Charles Babbage is making progress in theory of functional equations.

Contributor:
John Herschel Project
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
From:
William Wallace
To:
Sir John Herschel
Date:
[28 October 1817]
Source of text:
RS:HS 18.22
Summary:

Accepts invitation to visit Slough and meet Charles Babbage. [Thomas] Leybourn may accompany WW. Seeking area of conic sections.

Contributor:
John Herschel Project