Search: Herschel, John in addressee 
Herschel, John in correspondent 
1860-1869::1861 in date 
letter in document-type 
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Showing 61–80 of 176 items

Herschel1405

From:
George Gabriel Stokes
To:
Sir John Herschel
Date:
[6 August 1861]
Source of text:
RS:HS 17.46
Summary:

Responds to a letter from JH, which GS has forwarded to Edward Sabine.

Contributor:
John Herschel Project

Herschel14254

From:
Frederic W. Ragg
To:
Sir John Herschel
Date:
[1861 to 1865]-3-23
Source of text:
TxU:H/M-0432; Reel 1093
Summary:

Claims to have demonstrated that light intensity increases as distance from light source increases. Applies this to inner planets, where sun should appear dimmer than on Earth. [JH annotation: 'Frivolous & Vexatious.']

Contributor:
John Herschel Project

Herschel1698

From:
George Smith
To:
Sir John Herschel
Date:
[26 July 1861]
Source of text:
RS:HS 16.184
Summary:

About repayment of a loan made from JH.

Contributor:
John Herschel Project

Herschel1718

From:
Smith, Elder & Co.
To:
Sir John Herschel
Date:
[17 January 1861]
Source of text:
RS:HS 16.205
Summary:

Acknowledgement of fulfilling JH's requirements.

Contributor:
John Herschel Project

Herschel1983

From:
Norman Pogson
To:
Sir John Herschel
Date:
[15 April 1861]
Source of text:
RS:HS 14.12
Summary:

Replies to JH's inquiries about Messier 80, noting that a bright star, since vanished, obliterated the cluster. Describes poor but improving instrumentation at the Madras Observatory. Asks about JH's son Alexander.

Contributor:
John Herschel Project

Herschel2024

From:
Bartholomew Price
To:
Sir John Herschel
Date:
[14 March 1861]
Source of text:
RS:HS 14.56
Summary:

Thanks JH for a memoir on the projection of a sphere. Expresses the wish that map-making, so neglected, be taken up thoroughly.

Contributor:
John Herschel Project

Herschel2258

From:
John Daniel Runkle
To:
Sir John Herschel
Date:
[8 April 1861]
Source of text:
RS:HS 14.511a
Summary:

Sends Mathematical Monthly with JH's portrait and catalog of his writings. Smithsonian will send rain data JH wants. Discusses politics and hopes England will help break the cotton monopoly and thereby end slavery.

Contributor:
John Herschel Project

Herschel2402

From:
Edward Sabine
To:
Sir John Herschel
Date:
[30 January 1861]
Source of text:
RS:HS 15.255
Summary:

Like JH, Smyths have been suffering bronchial problems. Urges JH not to give up [see JH's 1861-1-29] plan of JH writing a review on terrestrial magnetisim.

Contributor:
John Herschel Project

Herschel2403

From:
Edward Sabine
To:
Sir John Herschel
Date:
[29 July 1861]
Source of text:
RS:HS 15.256
Summary:

Sends letter regarding meteorology from the Smithsonian to JH. Pleased with magnetic work of [A. D.] Bache at Girard College.

Contributor:
John Herschel Project

Herschel2404

From:
Edward Sabine
To:
Sir John Herschel
Date:
[7 August 1861]
Source of text:
RS:HS 15.257
Summary:

Certain the Colonial Secretary [Duke of Newcastle] would write to governor of Malta on behalf of [William] Lassell.

Contributor:
John Herschel Project

Herschel2405

From:
Edward Sabine
To:
Sir John Herschel
Date:
[31 August 1861]
Source of text:
RS:HS 15.258
Summary:

Encloses letter from [W. P.] Wilson of Melbourne and ES's response for JH's perusal. Discusses [Warren] de La Rue's work on solar photography.

Contributor:
John Herschel Project

Herschel2406

From:
Edward Sabine
To:
Sir John Herschel
Date:
[5 December 1861]
Source of text:
RS:HS 15.259
Summary:

Requests JH sign certificate for [W. F.] Hook. Asks JH to forward it to William Whewell for his signature.

Contributor:
John Herschel Project

Herschel2456

From:
Edward Sabine
To:
Sir John Herschel
Date:
9 December [1861]
Source of text:
RS:HS 15.310
Summary:

A metallic thermometer will be constructed at Kew Observatory to test JH's proposal. Experiments on Index of Friction of gases to be resumed at Kew.

Contributor:
John Herschel Project

Herschel2506

From:
Angelo Secchi
To:
Sir John Herschel
Date:
[28 December 1861]
Source of text:
RS:HS 15.415
Summary:

Sends bulletins of the Observatory, which contain both meteorological and astronomical information. Asks JH if experiments are worth pursuing.

Contributor:
John Herschel Project

Herschel2556

From:
William Selwyn
To:
Sir John Herschel
Date:
[19 March 1861]
Source of text:
RS:HS 15.465
Summary:

Discusses 'autograph of the sun' he sent earlier. Discusses measuring relative temperature of sun. Has an unpublished letter of Galileo to Cardinal Barberini regarding sunspots.

Contributor:
John Herschel Project

Herschel2557

From:
William Selwyn
To:
Sir John Herschel
Date:
[27 April 1861]
Source of text:
RS:HS 15.466
Summary:

Discusses Galileo's unpublished letter on sunspots. Outlines comparisons between tropical storms and sunspots as discussed at Cambridge Philosophical Society. Wishes to meet [Frederick] Howlett to discuss sunspots.

Contributor:
John Herschel Project

Herschel2558

From:
William Selwyn
To:
Sir John Herschel
Date:
[20 November 1861]
Source of text:
RS:HS 15.567
Summary:

Sends series of solar heliographs. If further suggestions for improvement of these are noted, please send them. Is preparing to photograph Dec. 31 eclipse.

Contributor:
John Herschel Project

Herschel2673

From:
Mary Somerville
To:
Sir John Herschel
Date:
[28 January 1861]
Source of text:
RS:HS 16.364
Summary:

Condolences on death of JH's daughter [Margaret] Louisa.

Contributor:
John Herschel Project

Herschel2719

From:
William Selwyn
To:
Sir John Herschel
Date:
[1861]
Source of text:
RS:HS 15.515
Summary:

Detached postscript discussing sunspots, comparing them to the low barometric pressure center in cyclones. J. S. Henslow is dying.

Contributor:
John Herschel Project

Herschel2942

From:
Henri Victor Regnault
To:
Sir John Herschel
Date:
1861
Source of text:
RS:HS 14.316
Summary:

Talked to [L.-F.-C.?] Breguet for JH. Discusses work [on hygrometer?/metallic thermometer?] in detail, including diagrams. Regrets not having seen JH's daughters in Paris. Says he is recuperating from the 'catastrophe' and can still use his left eye.

Contributor:
John Herschel Project
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