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Herschel, John in author 
1860-1869::1861 in date 
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Herschel362

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[28 September 1861]
Source of text:
RGO 6.476.57
Summary:

Encourages GA to develop some experiments to study the electrical phenomenon [see GA's 1861-9-23] more carefully.

Contributor:
John Herschel Project

Herschel4582

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1 October 1861]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Expresses condolences on death of Mary Maclear.

Contributor:
John Herschel Project

Herschel9522

From:
Sir John Herschel
To:
Robert FitzRoy
Date:
[7 October 1861]
Source of text:
RS:HS 23.341
Summary:

Thanks for RF's daily barometric reports in the Times; comments on RF's investigation of the 'Royal Charter' storm.

Contributor:
John Herschel Project

Herschel12135

From:
Sir John Herschel
To:
Robert Main
Date:
[17 October 1861]
Source of text:
RS:HS 23.342
Summary:

Thanks for the receipt of the Radcliffe catalogue of stars, but wishes observations had been equatorial rather than circumpolar.

Contributor:
John Herschel Project

Herschel3385

From:
Sir John Herschel
To:
William Henry Sykes
Date:
[24 October 1861]
Source of text:
RS:HS 17.155 (C: RS:HS 23.343)
Summary:

Stresses importance for Balloon Committee of obtaining corresponding temperatures and pressures; describes two highly sensitive thermometers that might be built for this purpose.

Contributor:
John Herschel Project

Herschel12136

From:
Sir John Herschel
To:
Robert Main
Date:
[25 October 1861]
Source of text:
RS:HS 23.344
Summary:

Suggests an observational program for RM's newly purchased transit circle [see RM's 1861-10-21].

Contributor:
John Herschel Project

Herschel10496

From:
Sir John Herschel
To:
John R. Hind
Date:
[2 November 1861]
Source of text:
RS:HS 23.352
Summary:

About the naming of asteroids.

Contributor:
John Herschel Project

Herschel6839

From:
Sir John Herschel
To:
Warren de La Rue
Date:
[7 November 1861]
Source of text:
RS:HS 23.346
Summary:

Thanks for pictures of Mars; speculates on the atmospheres of some planets.

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

Herschel2559

From:
Sir John Herschel
To:
William Selwyn
Date:
[22 November 1861]
Source of text:
RS:HS 23.349
Summary:

Has no suggestions to improve photographs. Wants to determine whether the degradation of light from center to edge of sun is 'real.' Does not think sun's size affects focus.

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

Herschel6713

From:
Sir John Herschel
To:
Gabriel Auguste Daubrée
Date:
[28 November 1861]
Source of text:
RS:HS 23.351
Summary:

Thanks GD for memoir on the subject of geological transformations.

Contributor:
John Herschel Project

Herschel10498

From:
Sir John Herschel
To:
John R. Hind
Date:
[2 December 1861]
Source of text:
RS:HS 9.375
Summary:

Suggests the name 'Clio' for asteroid No. 59. Gives a list of proposed names for asteroids.

Contributor:
John Herschel Project

Herschel9209

From:
Sir John Herschel
To:
William Whewell
Date:
[5 December 1861]
Source of text:
TC, Camb. Add. Ms.a.207101 (C: RS:HS 23.353)
Summary:

JH's 'scientific activity' has long been at zero, but JH has of late been preparing a lecture on the sun and translating Homer's Iliad.

Contributor:
John Herschel Project

Herschel2407

From:
Sir John Herschel
To:
Edward Sabine
Date:
[6 December 1861]
Source of text:
RS:HS 23.354
Summary:

Has signed certificate for [W. F.] Hook. [See ES 1861-12-5] Congratulates ES [on presidency of R.S.L.]. JH on B.A.A.S. balloon committee. Proposes design for metallic thermometer.

Contributor:
John Herschel Project

Herschel12887

From:
Sir John Herschel
To:
Joseph Barclay Pentland
Date:
[7 December 1861]
Source of text:
TxU:H/L-0299; Reel 1054
Summary:

Recalls mutual friends, Georges Cuvier and Mary Somerville. Gratitude for JP's kindness in Rome to JH's daughter, Margaret Louisa, now deceased. Asks JP to assist newlyweds David and Mary Power, who are caught in Rome by David's failing health and need advice on medical treatment. [Annotation by Constance Anne (Herschel) Lubbock identifies couple as David Power and bride Mary Lipscompe. David died soon after, and his widow married JH's son John.]

Contributor:
John Herschel Project
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