Search: Herschel, John in correspondent 
1840-1849::1842::08 in date 
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Herschel8543

From:
Sir John Herschel
To:
Mr. Collen
Date:
[17 August 1842]
Source of text:
BostonPubLib Ch.J.6.21
Summary:

Would be pleased to be visited by C to discuss the application regarding glass [lenses] of various algebraic formulae devised by JH. Will also show C some of JH's recent work in photography.

Contributor:
John Herschel Project

Herschel8881

From:
Sir John Herschel
To:
the Athenaeum
Date:
[10 August 1842]
Source of text:
Athenaeum, #773 (Aug. 20, 1842), 748
Summary:

Seeks to clear up confusions about various photographic processes, e.g., the Chrysotype process, developed by JH, about which confusions arose from earlier reports on them in the Athenaeum.

Contributor:
John Herschel Project

Herschel9025

From:
Sir John Herschel
To:
J. Coates
Date:
[8 August 1842]
Source of text:
Univ.Coll.London SDUK Papers
Summary:

[To JC as Secretary, Society for the Diffusion of Useful Knowledge:] Thanks for offer to send a copy of Augustus De Morgan's Differential and Integral Calculus.

Contributor:
John Herschel Project

Herschel9245

From:
F. M. Eardley-Wilmot
To:
Sir John Herschel
Date:
[12 August 1842]
Source of text:
RS:HS 7.2
Summary:

Has been unable to make many readings with the actinometer. Is expecting some irregular readings with the magnetometers. Survey of South Africa appears very distant. Relates recent events in Natal and with the Boers.

Contributor:
John Herschel Project
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