Search: 1860-1869 in date 
letter in document-type 
No in transcription-available 
Tyndall, John in correspondent 
Herschel, John in addressee 
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Showing 1–20 of 36 items

Tyndall1799

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

Herschel3579

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

Tyndall1815

From:
John Tyndall
To:
John Frederick William Herschel
Date:
Undated
Source of text:
22 (1861), pp. 377-8, Phil. Mag.
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall1830

From:
John Tyndall
To:
John Frederick William Herschel
Date:
21st Nov. 1861
Source of text:
HS 17.389; MS JT/1/TYP/2/509-511, RS; RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3568

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

Tyndall1832

From:
John Tyndall
To:
John Frederick William Herschel
Date:
23rd Nov. 1861
Source of text:
HS 17.390, RS
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3647

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

Tyndall1880

From:
John Tyndall
To:
John Frederick William Herschel
Date:
15th April 1862
Source of text:
HS 17.391, RS
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3572

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

Tyndall1958

From:
John Tyndall
To:
John Frederick William Herschel
Date:
4th. Jan
Source of text:
HS/392a, RS
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel3252

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

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

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

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

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
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