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Herschel, John in author 
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Herschel8161

From:
Sir John Herschel
To:
Alfred P. Wire
Date:
[26 September 1861]
Source of text:
RS:HS 23.340
Summary:

AW's 'Thaumatrope' is ingenious, but applies only to periodic movement. JH aims to reproduce non-periodic motion. Commends AW's suggestion to employ government schoolmasters as meteorology observers.

Contributor:
John Herschel Project

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
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