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Talbot, William Henry Fox in author 
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Herschel1335

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[20 February 1839]
Source of text:
RS:HS 17.285
Summary:

Finally had success washing with ferrocyanate. Wants to present note of 'his' processes to R.S.L. and so to the world.

Contributor:
John Herschel Project

Herschel1336

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[27 February 1839]
Source of text:
RS:HS 17.286
Summary:

Wishes to communicate to J. B. Biot, and so to Academie des sciences, JH's two 'beautiful' fixing methods, by hyposulfite and ferrocyanate.

Contributor:
John Herschel Project

Herschel1339

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[1 March 1839]
Source of text:
RS:HS 17.287
Summary:

Enlarges upon his method of using salt as photographic fixer; then asks JH to explain the chemistry thereof. Has tried Louis Daguerre's fixing process without success.

Contributor:
John Herschel Project

Herschel1340

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[15 March 1839]
Source of text:
RS:HS 17.288
Summary:

Further chemicals used for fixing, including bromide potash.

Contributor:
John Herschel Project

Herschel1341

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[21 March 1839]
Source of text:
RS:HS 17.289
Summary:

Comments on Louis Daguerre's use of muriatic ether, and encloses a photograph of hand writing.

Contributor:
John Herschel Project

Herschel1342

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[28 March 1839]
Source of text:
RS:HS 17.290
Summary:

Comments on a number of chemicals used in photography, as well as referring to JH's process of making 'enlargements.'

Contributor:
John Herschel Project

Herschel1343

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[29 March 1839]
Source of text:
RS:HS 17.291
Summary:

Consists mostly of a transcription of two short notes from J. B. Biot to JH by way of WT.

Contributor:
John Herschel Project

Herschel1344

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[10 April 1839]
Source of text:
RS:HS 17.292
Summary:

Sends a sample picture fixed by use of iodine [potash].

Contributor:
John Herschel Project

Herschel1345

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[27 April 1839]
Source of text:
RS:HS 17.293
Summary:

More photography comments. Problems with use of hyposulfite fixer. Superiority of English over Daguerreotype in being able to make copies.

Contributor:
John Herschel Project

Herschel1347

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[2 July 1839]
Source of text:
RS:HS 17.294
Summary:

Sends JH a positive copy and a transparency. Remarks on JH's use of muriate of lead and asks JH to explain chemistry of it.

Contributor:
John Herschel Project

Herschel1346

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[19 July 1839]
Source of text:
RS:HS 17.295
Summary:

Confused by an 'unfixed' photo from JH in which the image shows different effects from different colors of the spectrum. Also other comments on photography.

Contributor:
John Herschel Project

Herschel1349

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[8 September 1839]
Source of text:
RS:HS 17.296
Summary:

Sends some samples of photography made with a solar microscope, and comments briefly on the Daguerreotype.

Contributor:
John Herschel Project

Herschel1348

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[12 September 1839]
Source of text:
RS:HS 17.297
Summary:

Advises JH not to publish any new processes in photography as there are patent problems. Comments on the Daguerreotype, and on the difficulty of preserving images in some circumstances.

Contributor:
John Herschel Project

Herschel1326

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[15 November 1839]
Source of text:
RS:HS 17.298
Summary:

Transmits a message from J. B. Biot, comments on the Daguerreotype, although WT has not tried it.

Contributor:
John Herschel Project

Herschel1327

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[7 December 1839]
Source of text:
RS:HS 17.299
Summary:

Comments on many different processes in photography. Still has not tried the Daguerreotype, although WT has had the equipment for a considerable time.

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

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

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

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

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
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