Search: Herschel, John in addressee 
1860-1869::1861 in date 
letter in document-type 
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Showing 81–100 of 176 items

Herschel2943

From:
Henri Victor Regnault
To:
Sir John Herschel
Date:
[2 December 1861]
Source of text:
RS:HS 14.317
Summary:

Forwards letter to HR from [L.-F.-C.?] Breguet, who desires to construct a metallic thermometer for JH. HR requests quick reply from JH.

Contributor:
John Herschel Project

Herschel3088

From:
Adolphe Quetelet
To:
Sir John Herschel
Date:
[25 July 1861]
Source of text:
RS:HS 14.253
Summary:

Sends list of works received on an official form. Followed by letter. Suffers deeply from death of his wife, daughter, and her son. Had hoped to see JH in London, but JH was absent.

Contributor:
John Herschel Project

Herschel3115

From:
Tiburce Parmentier
To:
Sir John Herschel
Date:
[25 February 1861]
Source of text:
RS:HS 14.138
Summary:

Realizes that they have never been introduced. Nonetheless, requests JH's personal opinion on a matter of high importance to science. Asks JH to critique a memoir.

Contributor:
John Herschel Project

Herschel3116

From:
Andres Poey
To:
Sir John Herschel
Date:
[12 June 1861]
Source of text:
RS:HS 14.172
Summary:

Sends some memoirs to JH. Is keeping the most recent ones. Has always cited JH in his works. Requests JH's critique of AP's work on photo-electric images. Leaves London in an hour and regrets not having met JH.

Contributor:
John Herschel Project

Herschel3270

From:
James Joseph Sylvester
To:
Sir John Herschel
Date:
[13 May 1861]
Source of text:
RS:HS 17.161
Summary:

Thanks for memoirs sent.

Contributor:
John Herschel Project

Herschel3295

From:
Marc Seguin
To:
Sir John Herschel
Date:
[10 June 1861]
Source of text:
RS:HS 17.184
Summary:

Important office in French Institute has been passed on to MS. Compliments JH and many other members of R.S.L., and suggests exchange of ideas, asking JH for delivery of latest edition of JH's astronomy text, discusses idea of heat as motion, and other concepts. Expresses high scientific aspirations.

Contributor:
John Herschel Project

Herschel3495

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[28 October 1861]
Source of text:
RS:HS 17.156
Summary:

Updates JH on activities of Balloon Committee, and thanks him for suggestion regarding temperature measurement. Mentions improving health of Mrs. Sykes.

Contributor:
John Herschel Project

Herschel3568

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

Herschel3579

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

Herschel3647

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

Herschel365

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[27 March 1861]
Source of text:
RGO 6.476.390
Summary:

Reminds JH that the algebraic formulation of the theory of the achromatic telescope eyepiece was formulated by GA.

Contributor:
John Herschel Project

Herschel3778

From:
Thomas Collins Simon
To:
Sir John Herschel
Date:
[2 May 1861]
Source of text:
Harvard: Houghton AAH 67m-67 (107)
Summary:

Asks for advice on matters in which JH is 'the highest authority in this or any other country.'

Contributor:
John Herschel Project

Herschel4065

From:
Educational Times
To:
Sir John Herschel
Date:
[5 September 1861]
Source of text:
Harvard: Houghton
Summary:

Asks JH to contribute to The Educational Times.

Contributor:
John Herschel Project

Herschel4178

From:
Richard Lewis
To:
Sir John Herschel
Date:
[22 March 1861]
Source of text:
Harvard: Houghton AAH 67m-67 (63)
Summary:

Appeals for JH's support of the Life Boat Institution.

Contributor:
John Herschel Project

Herschel4213

From:
Ann Smyth
To:
Sir John Herschel
Date:
27 December [1861?]
Source of text:
RS:HS 16.223
Summary:

W. H. Smyth publishes essay. Sends family photographs.

Contributor:
John Herschel Project

Herschel4303

From:
Norton Shaw
To:
Sir John Herschel
Date:
[6 February 1861]
Source of text:
Harvard: Houghton AAH 67m-67 (107)
Summary:

Informs JH that a printer will make multiple copies of a paper for him.

Contributor:
John Herschel Project

Herschel4305

From:
Thomas Collins Simon
To:
Sir John Herschel
Date:
15 March [1861?]
Source of text:
Harvard: Houghton AAH 67m-67 (97)
Summary:

Tells JH that he can be ready to see him at any time.

Contributor:
John Herschel Project

Herschel4329

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

Describes last days of Mary Maclear. Burial on Observatory grounds.

Contributor:
John Herschel Project

Herschel4542

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[10 June 1861]
Source of text:
RS:HS 14.82
Summary:

Observes and measures sunspots. Takes spectrum of solar photosphere; detects sodium and magnesium absorption lines. Pleased with Alexander Herschel's work on the solar spectrum; wishes he would begin work on stellar spectra.

Contributor:
John Herschel Project

Herschel4551

From:
Ann Smyth
To:
Sir John Herschel
Date:
8 June [1861?]
Source of text:
RS:HS 16.222
Summary:

Regrets missing JH's visit. W. H. Smyth having trouble walking.

Contributor:
John Herschel Project
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