Search: Herschel, John in correspondent 
Talbot, William Henry Fox in correspondent 
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letter in document-type 
1840-1849::1848 in date 
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Herschel1371

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[4 February 1848]
Source of text:
RS:HS 17.320
Summary:

Has performed experiments measuring the deviation of spectra through an obliquely placed diffraction grating. Believes they strongly support the wave theory of light.

Contributor:
John Herschel Project

Herschel8841

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[29 February 1848]
Source of text:
Science Museum Talbt 1/38 (C: RS:HS 23.14)
Summary:

Refers WT to reference work to check WT's experiments [see WT's 1848-2-4]. JH says he will perform no more experiments in physical optics.

Contributor:
John Herschel Project
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