Search: Talbot, William Henry Fox in correspondent 
letter in document-type 
1830-1839 in date 
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Showing 41–60 of 64 items

Herschel8816

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[28 February 1839]
Source of text:
Buckland, Talbot, 49 inc
Summary:

Invites WT to mention JH's hyposulfite process to J. B. Biot. Recounts JH's recent experiments.

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

Herschel13061

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[3 March 1839]
Source of text:
TxU:H/L-0475; Reel 1055
Summary:

Sent WT's specimens to J. B. Biot and F. J. D. Arago in Paris. Developed paper sensitive to heat rays of sun 'beyond the spectrum.' Diagram of three spectra: 'luminous, chemical, and thermic.'

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

Herschel14846

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[18 March 1839]
Source of text:
NMPFT 1937-4840
Summary:

Thanks for specimen of light sensitive paper. Provides hint on the chemical process that Louis Daguerre may have used in his photographic work. Sends specimens of JH's own work.

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

Herschel14848

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[27 March 1839]
Source of text:
NMPFT 1937-4842
Summary:

Describes method of varying the size of photographic images. Praises Talbot's light sensitive paper and suggests improvements regarding it. Complains about persons too ready to seek a patent.

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

Herschel8819

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[22 April 1839]
Source of text:
Science Museum Talbt 1/16 (C: RS:HS 22.11)
Summary:

Comments on several approaches to fixing images on paper, especially using pure water as a fixing agent. Has developed a new sensitive paper but is keeping it secret until perfected. Is leaving for Continent on 1 May.

Contributor:
John Herschel Project

Herschel8820

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[27 April 1839]
Source of text:
Science Museum Talbt 1/17 (draft 'altered': RS:HS 17.293a & C: RS:HS 22.12)
Summary:

JH reports his discovery of a highly sensitive paper. Tint continues to deepen with time, as bromine does not. Not prepared to reveal process at present. Is off to Paris.

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

Herschel8821

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[9 May 1839]
Source of text:
Science Museum Talbt 1/18
Summary:

Just visited L. J. M. Daguerre. Praises his images as 'miraculous' and also Daguerre's times of exposure. Daguerre puts his images on 'thin sheets of plated copper.'

Contributor:
John Herschel Project

Herschel8822

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[24 June 1839]
Source of text:
Science Museum Talbt 1/19 (ACCS: RS:HS 25.5.13 & C: TxU:H/L-0476; Reel 1055)
Summary:

Admires L. J. M. Daguerre's process, but hopes to see paper become dominant medium for photographs. Describes new paper JH developed. [Letter continues 6 July.] Experiment with fixed lines in chemical spectra; shows sensitivity of ultraviolet light.

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

Herschel8823

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[7 July 1839]
Source of text:
Science Museum Talbt 1/20 (ACCS: RS:HS 25.5.14 & C: TxU:H/L-0477; Reel 1055)
Summary:

Recounts experiments with chemicals, spectra, and photographic paper.

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

Herschel8824

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[10 September 1839]
Source of text:
Science Museum Talbt 1/21 (ACCS: RS:HS 25.5.18 & C: TxU:H/L-0478; Reel 1055)
Summary:

Has succeeded in producing a 'photograph on glass.' Describes process and also JH's experiment photographing spectra.

Contributor:
John Herschel Project
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