Search: Herschel, John in correspondent 
Talbot, William Henry Fox in correspondent 
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letter in document-type 
Herschel, John in author 
1840-1849::1841 in date 
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Herschel8831

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[16 March 1841]
Source of text:
Science Museum Talbt 1/28
Summary:

Praises WT for invention of 'Kalotype' process; predicts it will be called 'Talbotype.' Notes excellence for photography of the weather during past year. Mentions possibility of cases of excessively rapid photographic change.

Contributor:
John Herschel Project

Herschel8832

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[22 March 1841]
Source of text:
Science Museum Talbt 1/29 (C: RS:HS 17.304b & 22.81) Buckland, Talbot, 66 inc
Summary:

Congratulates WT on the calotype invention and the patent. Responds at some length to WT's concerns about the infinity of the universe. In postscript, provides a 4-page dialogue on the subject.

Contributor:
John Herschel Project

Herschel8833

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[25 March 1841]
Source of text:
Science Museum Talbt 1/30 (C: RS:HS 17.305b & RS:HS 22.82)
Summary:

A further two dialogues elaborating on JH's earlier arguments [see JH's 1841-3-18] on the infinity/finitude of the universe.

Contributor:
John Herschel Project

Herschel8834

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[6 April 1841]
Source of text:
Science Museum Talbt 1/31 (C: RS:HS 17.306b & 22.83)
Summary:

Doubts that isomerism of all elements can be verified experimentally, but notes a number of groups with similar atomic weights that might well fit. Further on vegetable colors in photography. Refers to enclosure of a further dialogue on infinity.

Contributor:
John Herschel Project

Herschel8835

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[14 May 1841]
Source of text:
Science Museum Talbt 1/32
Summary:

Has been experimenting with paper prepared with light-sensitive vegetable juices. Sends two specimens of JH's results.

Contributor:
John Herschel Project

Herschel8836

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[5 July 1841]
Source of text:
Science Museum Talbt 1/33 (draft: RS:HS 17.309b & C: RS:HS 22.91)
Summary:

Explains the operation of the Council of the R.S.L. and hopes that WT will treat their unintended slight as a 'gaucherie'.

Contributor:
John Herschel Project

Herschel1361

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
1841-7-25 or later
Source of text:
RS:HS 17.310b (C: RS:HS 22.92)
Summary:

Expresses reservations about Samuel Brown's work. Apologizes for delay in trying calotype; has done only some vegetable substance trials.

Contributor:
John Herschel Project
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