Search: Herschel, John in correspondent 
Tyndall, John in correspondent 
Herschel, John in addressee 
John Herschel Project in contributor 
No in transcription-available 
Sorted by:

Showing 120 of 33 items

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:
[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:
[10 January 1852]
Source of text:
RS:HS 17.383a (C: RI 497)
Summary:

Asks JH to keep memoirs JT sent with regard to JT's application for position at University of Sydney.

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:
[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:
[20 March 1857]
Source of text:
RS:HS 17.387 (C: RI 504)
Summary:

Remarks on physical properties of ice and their bearing on glacial phenomena. Asks for help inventing term for idea of 'fracture and renewal' of glacial bendings.

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:
[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:
[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
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:
[4 January 1863]
Source of text:
RS:HS 17.392a (C: RI 520)
Summary:

Asks permission to print extract of JH's letter on heat spots of spectrum of rock salt sample. Hopes JH's son [Alexander] will speak at Royal Institution; JT would help with illustration. Wonders how blue color of water relates to sky color and polarization.

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:
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:
[17 September 1864]
Source of text:
RS:HS 17.394a (C: RI 528)
Summary:

Regrets 'stupidity' of Italian post office, which lost note sent to JH suggesting reprinting of passage from Treatise Astr. of 1833 on operations of sun in second edition of JT's book. Also wants to publish JT's 'extremely philosophical views' on muscle contraction.

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:
[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:
[18 November 1864]
Source of text:
RS:HS 17.398a (C: RI 534)
Summary:

Asks JH to be a shareholder in venture to publish new weekly scientific journal.

Contributor:
John Herschel Project
From:
John Tyndall
To:
Sir John Herschel
Date:
[7 February 1865]
Source of text:
RS:HS 17.399a (C: RI 536)
Summary:

Sends copy of JT's '3rd Memoir,' along with specimens of liquid mercury ethyl and mercury methyl from discoverers Edward Frankland and B. F. Duppa.

Contributor:
John Herschel Project
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:
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
Document type
Transcription available