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Herschel, John in author 
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Tyndall, John in correspondent 
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Herschel3257

From:
Sir John Herschel
To:
John Tyndall
Date:
[7 June 1870]
Source of text:
RS:HS 24.317 (C: RI 571)
Summary:

Thanks for work on diamagnetism and magne-crystallic action [Researches on Diamagnetism (1870)], which JH is excited to read. Mentions long-abandoned plans for magnetization experiments. Envies those who can see JT's 'magic' experiments at Royal Institution.

Contributor:
John Herschel Project

Herschel3443

From:
Sir John Herschel
To:
John Tyndall
Date:
[23 October 1870]
Source of text:
RI 459 (draft : RS:HS 17.409a; C: RS:HS 24.336; C: RI 573-4)
Summary:

Thanks for paper on action of rays 'of high refrangibility' on gases and vapors. Attempts to understand reflection of wave motion on particles with diameters 'incomparably smaller' than length of wave.

Contributor:
John Herschel Project
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