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Tyndall, John in correspondent 
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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
From:
John Frederick William Herschel
To:
John Tyndall
Date:
Nov 10/61
Source of text:
MS JT/1/H/95; MS JT/1/TYP/2/508, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Sir John Herschel
To:
John Tyndall
Date:
[10 November 1861]
Source of text:
RS:HS 23.347 (C: RI 508)
Summary:

Reply to JT's 'Remarks on Radiation and Absorption.' Calls non-absorption of air and vapor key to understanding meteorological phenomena. Remarks on 'radiant heat' from moon.

Contributor:
John Herschel Project
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
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 Frederick William Herschel
To:
John Tyndall
Date:
Nov 22/61.
Source of text:
MS JT/1/H/96; MS JT/1/TYP/2/512-513; HS 23.348, RI; RS
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Sir John Herschel
To:
John Tyndall
Date:
[22 November 1861]
Source of text:
RS:HS 23.348 (C: RI 512-13)
Summary:

Does not believe surface of moon can radiate cold; perhaps new moon can. Explains this geometrically.

Contributor:
John Herschel Project
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
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 Frederick William Herschel
To:
John Tyndall
Date:
Nov. 24/61
Source of text:
MS JT/1/H/97, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Sir John Herschel
To:
John Tyndall
Date:
[24 November 1861]
Source of text:
RS:HS 23.350 (C: RI 515)
Summary:

Finds JT's work on thermotics 'highly interesting,' although criticizes measurements of 'tenuity' of vapor, and explanation of scattering of sunlight and formation of corona around moon during eclipse.

Contributor:
John Herschel Project
From:
John Frederick William Herschel
To:
John Tyndall
Date:
April 12/62
Source of text:
MS JT/1/H/98, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Sir John Herschel
To:
John Tyndall
Date:
[12 April 1862]
Source of text:
RS:HS 17.390b (C: 23.367; C: RI 516-17)
Summary:

Remarks on JT's papers on radiant heat and related role of moisture. Will send requested sample of rock salt. Explains difficulties using it and hopes JT will have better success, perhaps even repeating JH's experiments.

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

No summary available.

Contributor:
Tyndall 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 Frederick William Herschel
To:
John Tyndall
Date:
Jan. 5/63
Source of text:
MS JT/1/H/99; MS JT/1/TYP/2/521-21a, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Sir John Herschel
To:
John Tyndall
Date:
[5 January 1863]
Source of text:
RS:HS 17.392b (C: 24.4; C: RI 521)
Summary:

Likes JT's explanation of sky's blue color. Has difficulty with JT's explanation of polarization of skylight. Comments on absorptive powers of vapor and liquid.

Contributor:
John Herschel Project
From:
John Frederick William Herschel
To:
John Tyndall
Date:
Mar 15/63
Source of text:
MS JT/1/H/100; MS JT/1/TYP/2/533; HS/24/14, RI; RS
Summary:

No summary available.

Contributor:
Tyndall Project