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Tyndall, John in correspondent 
1860-1869::1866 in date 
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From:
John Tyndall
To:
Sir John Herschel
Date:
[1866?]-2
Source of text:
RS:HS 17.399c
Summary:

Corrects misinformation about refraction and dispersion of mercury ethyl and mercury methyl.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John Tyndall
Date:
[3 March 1866]
Source of text:
RS:HS 17.399b (C: 24.144)
Summary:

Describes experiment involving viewing spectrum of a light flash as it advances and recedes. [Marked 'not sent on further consideration.']

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[26 May 1866]
Source of text:
RS:HS 17.400 (C: RI 539)
Summary:

Comments on excellence of the lecture at the Royal Institution of JH's son [Alexander].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John Tyndall
Date:
[28 May 1866]
Source of text:
RS:HS 24.157 (C: RI 540)
Summary:

Thanks for note [see JT's 1866-5-26] on improvement of the lecturing style of JH's son [Alexander]. JH's son has studied lecture's subject deeply and loves science; JH hopes will be physics professor at a 'considerable institution.'

Contributor:
John Herschel Project