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1860-1869::1861 in date 
Tyndall, John in addressee 
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Tyndall1796

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

Herschel3396

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

Tyndall1826

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

Herschel3366

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

Tyndall1831

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

Herschel3578

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

Tyndall1833

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

Herschel3206

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
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