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Tyndall, John in correspondent 
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Herschel3562

From:
Sir John Herschel
To:
John Tyndall
Date:
[15 March 1863]
Source of text:
RS:HS 24.14 (C: RI 522)
Summary:

Thanks for lectures on heat motion theory and radiation through earth's atmosphere, and for brochure on 'conformation' of the Alps. Asks about upcoming lecture of JH's son [Alexander].

Contributor:
John Herschel Project

Tyndall1983

From:
John Tyndall
To:
John Frederick William Herschel
Date:
16th March 1863
Source of text:
MS JT/1/TYP/2/523, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3644

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

Herschel3569

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

Tyndall2111

From:
John Herschel
To:
John Tyndall
Date:
June 18 1864
Source of text:
HS 393b; MS JT/1/H/101; MS JT/1/TYP/2/524-7, RS; RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3563

From:
Sir John Herschel
To:
John Tyndall
Date:
[18 July 1864]
Source of text:
RS:HS 17.393b (C: 24.48; C: RI 524-7)
Summary:

Thanks for and comments on papers on scientific history and molecular physics, particularly on a magnetic experiment and on dynamical efficiency of coal relative to motion theory of light and heat. Comments on nature of heat, 'vis viva.' Deplores laxity with which physicists use and confuse terms 'force,' 'motion,' and 'energy.'

Contributor:
John Herschel Project

Tyndall2140

From:
John Tyndall
To:
John Frederick William Herschel
Date:
17th Sep. 1864.
Source of text:
HS 394a; MS JT/1/TYP/2/528, RS; RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3565

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

Tyndall2176

From:
John Herschel
To:
John Tyndall
Date:
Nov. 13 1864
Source of text:
HS 394b; MS JT/1/TYP/2/529-30, RS; RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3139

From:
Sir John Herschel
To:
John Tyndall
Date:
[13 November 1864]
Source of text:
RI 305 (C: 529-30); draft 4pp RS:HS 17.394b (C: 24.66)
Summary:

Thanks for and comments on paper on luminous and obscure radiation, particularly on extra spectral rays, incandescence of platinum, and experiment using transcalescence of iodine.

Contributor:
John Herschel Project

Tyndall2177

From:
John Tyndall
To:
John Herschel
Date:
14th Nov. 1864
Source of text:
HS 395; MS JT/1/TYP/2/531, RS; RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3617

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

Tyndall2179

From:
John Herschel
To:
John Tyndall
Date:
Nov. 16/64
Source of text:
HS 396; MS JT/1/H/102; MS JT/1/TYP/2/532, RS; RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3542

From:
Sir John Herschel
To:
John Tyndall
Date:
[16 November 1864]
Source of text:
RS:HS 17.396 (C: RI 532 & RS:HS 24.68))
Summary:

Surprised that JT cannot obtain heat spots [see JT's 1864-11-14]. Describes glasses and lenses used.

Contributor:
John Herschel Project

Tyndall2180

From:
John Tyndall
To:
John Herschel
Date:
17th Nov. 1864
Source of text:
HS 397, RS; RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3634

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

Tyndall2184

From:
John Tyndall
To:
John Herschel
Date:
18th Nov. 1864
Source of text:
HS 398a, RS
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3327

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

Tyndall2186

From:
John Herschel
To:
John Tyndall
Date:
Nov. 21. 1864
Source of text:
HS/398b, RS
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3345

From:
Sir John Herschel
To:
John Tyndall
Date:
[21 November 1864]
Source of text:
RS:HS 17.398b (C: 24.69; C: RI 535)
Summary:

Wishes luck but expresses inability to help with new science journal [see JT's 1864-11-18].

Contributor:
John Herschel Project
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