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Tyndall, John in author 
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From:
John Tyndall
To:
Sir John Herschel
Date:
[2 March 1857]
Source of text:
RS:HS 17.385 (C: RI 503)
Summary:

Sends sketch of lecture on structure and motion of glaciers. Wants to conduct experiments on physical properties of ice, and applying polarized light. Beyond paper, is interested in cleavage of ice.

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[21 November 1861]
Source of text:
RS:HS 17.389 (C: RI 509-11)
Summary:

Gives account of observations on lunar radiation, including detailed description of experiments.

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
28 April [1863?]
Source of text:
RS:HS 17.411 (C: RI 519)
Summary:

Thanks for a gift.

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[8 November 1851]
Source of text:
RS:HS 17.382 (C: RI 494)
Summary:

Sends memoirs on magnetism of crystalline bodies. Notes that remarks on atomic mechanism of Iceland spar contrast with JH's views expressed in JH's Light.

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[15 April 1862]
Source of text:
RS:HS 17.391 (C: RI 518)
Summary:

Finds JH's approval incredibly gratifying. Thanks for gift of rock salt. Is sending unscientific book; trusts JH's interests are broad enough to appreciate it.

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[24 July 1861]
Source of text:
RS:HS 17.388 (C: RI 507)
Summary:

Apologizes for not having seen JH's paper on spectra of colored flames and thus having overlooked JH's prior claims [see JH's 1861-7-21]. Will try to make amends.

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[14 November 1864]
Source of text:
RS:HS 17.395 (C: RI 531)
Summary:

Is not 'at liberty' to speak of experiments on change of refrangibility of 'extra-red' rays. Discusses other experiments on extra-red regions, having used various prisms but not obtaining JH's results.

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[30 July 1856]
Source of text:
RS:HS 17.384 (C: RI 501)
Summary:

Agrees with and asks permission to publish JH's letter in the Philosophical Magazine. Is going to Switzerland and Tyrol, where hopes to see phenomenon of glacial descent [see JH's 1856-7-31].

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[17 November 1864]
Source of text:
RS:HS 17.397 (C: RI 533)
Summary:

JT does not have 'luxury' of using sunshine; uses electric light. Perhaps this adds to inability to obtain heat spots [see JH's 1864-11-16].

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[30 November 1868]
Source of text:
RS:HS 17.404 (C: RI 550)
Summary:

Observations on subjecting carbonic acid to concentrated beam of an electric lamp. Records experimental result so far. Interested in ordinary dust particles under electric light.

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[16 March 1863]
Source of text:
RS:HS 17.393a (C: RI 523)
Summary:

Remarks on upcoming lecture of JH's son [Alexander], and on glacial movement.

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[8 November 1851]
Source of text:
RS:HS 17.381 (C: RI 493)
Summary:

Letter in application for Professorship of Experimental Philosophy and Chemistry at University College, Sydney.

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[23 November 1861]
Source of text:
RS:HS 17.390a (C: 514)
Summary:

Clarifies that JT does not believe moon radiates cold itself, but effects are 'as if' it did. Relates this to atmosphere.

Contributor:
John Herschel Project
Text Online
From:
John Tyndall
To:
John Frederick William Herschel
Date:
8th November 1851
Source of text:
HS 17.381, RS
Summary:

No summary available.

Contributor:
Tyndall Project
Text Online
From:
John Tyndall
To:
John Frederick William Herschel
Date:
8th November 1851
Source of text:
HS 17.382, RS
Summary:

No summary available.

Contributor:
Tyndall Project
Text Online
From:
John Tyndall
To:
John Frederick William Herschel
Date:
10 Jan. 1852
Source of text:
HS 17.383, RS
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
John Frederick William Herschel
Date:
30th July 1856
Source of text:
Herschel 384, Royal Society Letters
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
John Frederick William Herschel
Date:
2nd. March 1857
Source of text:
HS 17.385, RS
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
John Frederick William Herschel
Date:
20th. March 1857
Source of text:
HS 17.387; MS JT/1/TYP/2/504, RS; RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
John Frederick William Herschel
Date:
24th July 1861
Source of text:
HS 17.388, RS
Summary:

No summary available.

Contributor:
Tyndall Project