Search: Talbot, William Henry Fox in correspondent 
Herschel, John in correspondent 
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letter in document-type 
1840-1849 in date 
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Herschel8826

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[26 February 1840]
Source of text:
Science Museum Talbt 1/23
Summary:

Waited until after 14 Feb. to submit JH's paper on photography ['On the Chemical Action of the Rays of the Solar Spectrum...,' R.S.P.T. (1840), 1-59]. Will send WT a copy.

Contributor:
John Herschel Project

Herschel1350

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[28 February 1840]
Source of text:
RS:HS 17.300
Summary:

Concerned about the Daguerreotype patent in England, and questions at some length a paper on the origin of freemasonry.

Contributor:
John Herschel Project

Herschel1067

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[3 March 1840]
Source of text:
RS:HS 25.6.2
Summary:

Tells WT about JH developing the thermographic paper which is susceptible to 'calorific' and 'chemical' rays of light.

Contributor:
John Herschel Project

Herschel8827

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[19 April 1840]
Source of text:
Science Museum Talbt 1/24
Summary:

Sending specimens sent to JH by [Robert] Hunt. Praises Hunt. Has WT received JH's paper ['On the Chemical Action of the Rays of the Solar Spectrum...,' R.S.P.T. (1840), 1-59]? JH moving to Collingwood.

Contributor:
John Herschel Project

Herschel1351

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[30 April 1840]
Source of text:
RS:HS 17.301
Summary:

Waxes lyrical about nature, and comments on a new 'positive' paper JH has sent. Refers to JH's move to Hawkhurst.

Contributor:
John Herschel Project

Herschel8828

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[3 May 1840]
Source of text:
Science Museum Talbt 1/25
Summary:

Thanks for excellent pictures WT sent. JH wishes JH had time for further experiments, especially on the 'thermic spectrum.' Praises [Robert] Hunt's results. Recommends experiment to WT.

Contributor:
John Herschel Project

Herschel1352

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[15 June 1840]
Source of text:
RS:HS 17.302a
Summary:

Sends a few photographs and says he has read JH's recent memoir. Will comment later.

Contributor:
John Herschel Project

Herschel8829

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[19 June 1840]
Source of text:
Science Museum Talbt 1/26
Summary:

Praises various photographs by WT and notes changes in some. Recounts optical experiments, recent and planned, by JH on rock-salt.

Contributor:
John Herschel Project

Herschel8830

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[30 August 1840]
Source of text:
Science Museum Talbt 1/27 (draft 2pp RS:HS 17.302b & C: RS:HS 22.67)
Summary:

Sends WT a copy of the solar spectrum in which each color is represented clearly in a 'positive' picture. JH sees this as giving hope for color photography.

Contributor:
John Herschel Project

Herschel1353

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[1 September 1840]
Source of text:
RS:HS 17.303
Summary:

Concerned with developing photography for tourist use. Doubts that colors of the spectrum can be readily displayed on photographic paper. The'chemistry' of photography is not understood.

Contributor:
John Herschel Project

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

Herschel1354

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[17 March 1841]
Source of text:
RS:HS 17.304a
Summary:

Announces his invention of the 'calotype', and his application for a patent. Questions JH on his address to R.A.S., objecting to idea that universe is infinite.

Contributor:
John Herschel Project

Herschel1355

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[18 March 1841]
Source of text:
RS:HS 17.305a
Summary:

Preparing his calotype paper for publication. Looking for a summer house, somewhere interesting to photograph.

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

Herschel1356

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[6 April 1841]
Source of text:
RS:HS 17.306a
Summary:

Reports receipt of a communication, which argues that all elements are merely isomers of one substance. Expresses support for such a view.

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

Herschel1357

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[19 May 1841]
Source of text:
RS:HS 17.307
Summary:

Some details of improvements in the calotype method.

Contributor:
John Herschel Project

Herschel1358

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[12 June 1841]
Source of text:
RS:HS 17.308
Summary:

Sends JH sample of chemicals and paper to make calotype himself.

Contributor:
John Herschel Project
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