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Tyndall, John in correspondent 
1860-1869::1861 in date 
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From:
John Frederick William Herschel
To:
John Tyndall
Date:
July 21 1861
Source of text:
MS JT/1/H/94; MS JT/1/TYP/2/505-6, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Sir John Herschel
To:
John Tyndall
Date:
[21 July 1861]
Source of text:
RS:HS 23.335 (ACCS: RS:HS 17.388a; C: RI 505-6)
Summary:

Thanks for and comments on paper and lectures on 'diathermancy &c' of gases, scientific teaching, and solar chemistry. Regrets that JT mentioned all names connected with light research except JH's. Remarks on absorption of light, molecular vibrations.

Contributor:
John Herschel 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
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:
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