Search: Talbot, William Henry Fox in addressee 
Herschel, John in author 
John Herschel Project in contributor 
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Showing 120 of 54 items

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
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[19 May 1854]
Source of text:
RS:HS B26.51
Summary:

Comments on the affidavit supplied by WT; will sign most of it but objects to one section.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[21 May 1854]
Source of text:
RS:HS B26.53
Summary:

Clarifies JH's position, by saying that he clearly supports WT as the inventor of the calotype or talbotype, but has reservations about the collodion process.

Contributor:
John Herschel Project
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
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[9 February 1839]
Source of text:
RS:HS 17.281b (C: RS:HS 22.2)
Summary:

Considerable comment on procedure for submitting paper to R.S.L. Urges WT to mention JH's method of washing with hyposulfite. Comments on some photographic experiments of WT.

Contributor:
John Herschel Project
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
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
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
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[1826-2-8 or later]
Source of text:
Science Museum Talbt 1/1
Summary:

[Responding to WT's 1826-2-7], JH thanks WT for materials sent, makes suggestions regarding WT's upcoming trip to Geneva, and asks WT to deliver a book to [Alfred] Gautier.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[22 May 1826]
Source of text:
Science Museum Talbt 1/2
Summary:

[Responding to WT's 1826-3-24], JH concurs with P. S. Laplace's view about the advantage of astronomical observation from high elevations, e.g., from mountains. Comments on telescope prices, a paper by WT, Florence, and JH's plan to visit the Continent.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[17 September 1826]
Source of text:
Science Museum Talbt 1/3
Summary:

Thanks WT for bringing to JH Josef Fraunhofer's publications and Franz Gruithuisen's plates. Recounts JH's geologizing in France and JH's efforts to measure solar radiation.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[1827-8-9 or later]
Source of text:
Science Museum Talbt 1/4
Summary:

Thanks WT for optical equipment sent. Notes death of Augustin Fresnel. Has purchased a telescope from James South.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[1827-11 or later]
Source of text:
Science Museum Talbt 1/5
Summary:

Responds to WT's 1827-10-29. Sending JH's Light, which uses some of WT's publications.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[31 January 1829]
Source of text:
Science Museum Talbt 1/6
Summary:

Asks about a servant JH is considering hiring to accompany JH on JH's trip to the Continent.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[1836]
Source of text:
Science Museum Talbt 1/7
Summary:

Sending WT some seeds. Had hoped to send some bulbs.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[29 January 1837]
Source of text:
Science Museum Talbt 1/8
Summary:

Is sending WT some botanical specimens through Andrew Smith, whose scientific abilities JH praises. Asks WT to assist Smith in England. Encourages WT's work in mathematics and in 'photology.' Reports on JH's astronomical observations and theorizes about sunspots.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
28] May [1838
Source of text:
Science Museum Talbt 1/9
Summary:

Says that for the next four to five months will be in residence at 10 Hanover Crescent, Regent's Park. Offers various botanical specimens to WT, including a Satyrium named after JH. Mentions Eta Argus. Believes the 'Southern Sky has been pretty well rummaged.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[27 January 1839]
Source of text:
Science Museum Talbt 1/10
Summary:

[Responding to WT's 1839-1-25], JH reports that he cannot come to London to see WT's 'curious process of fixing the image formed by a Camera obscura.' Invites WT to come to Slough.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[30 January 1839]
Source of text:
Science Museum Talbt 1/11 (draft 'much altered' RS:HS 17.279b & C: RS:HS 22.1)
Summary:

[Responding to WT's 1839-1-29], urges WT to find some way of giving at least slightly different papers to R.S.L. and Athenaeum. Comments on process of fixing image, referring to a trial of his own.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[10 February 1839]
Source of text:
Science Museum Talbt 1/12 (draft 'much altered': RS:HS 17.281b & C: RS:HS 22.2
Summary:

JH welcomes WT's mentioning JH's method of fixing with hyposulfite. JH has put some of JH's images on display at R.S.L. Mentions JH's recent experiments relating to photography. Comments regarding a paper submitted to R.S.L. by WT and on some experiments of WT.

Contributor:
John Herschel Project