Search: Herschel, John in correspondent 
Talbot, William Henry Fox in correspondent 
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letter in document-type 
1820-1829::1826 in date 
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Herschel1375

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[1826-1]
Source of text:
RS:HS 17.324
Summary:

Comments on several experiments with spectra passing through glass films.

Contributor:
John Herschel Project

Herschel1307

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[4 January 1826]
Source of text:
RS:HS 17.257
Summary:

Asks JH about Dr. Balfour's account in Asiatic Researches about lunar effects on humans in India.

Contributor:
John Herschel Project

Herschel1211

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[12 January 1826]
Source of text:
RS:HS 17.258
Summary:

Comments on use of muriate of lime on plants. Also on existence of unexplained bands on film and on presence of red light beyond normal spectrum with light originating from certain sources.

Contributor:
John Herschel Project

Herschel1374

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
28 January [1826?]
Source of text:
RS:HS 17.323
Summary:

Questions and comments regarding improvements in microscopy.

Contributor:
John Herschel Project

Herschel8803

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

Herschel1308

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[27 February 1826]
Source of text:
RS:HS 17.259
Summary:

Comments on Josef Fraunhofer's work on double stars, on quality and color of light from different sources, refraction of different kinds of light, and solution of a problem in conic sections. Is going to Geneva and Modena soon.

Contributor:
John Herschel Project

Herschel1309

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[24 March 1826]
Source of text:
RS:HS 17.260
Summary:

Describes observations made as he travelled and people visited on journey from London to Ancona.

Contributor:
John Herschel Project

Herschel8804

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

Herschel1310

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
1826-7
Source of text:
RS:HS 17.261
Summary:

Talks about Josef Fraunhofer's failing health and his making of flint glass.

Contributor:
John Herschel Project

Herschel1311

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[24 August 1826]
Source of text:
RS:HS 17.262
Summary:

Is sending on two items directed to JH through WT.

Contributor:
John Herschel Project

Herschel8805

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
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