Search: Herschel, John in correspondent 
1840-1849::1844 in date 
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Herschel1970

From:
Sir John Herschel
To:
John William Lubbock
Date:
[1844-12-29 or later
Source of text:
Oxford History of Science Museum 58/7
Summary:

JH expresses some concern about the accuracy of a wet bulb thermometer, as he is not clear about the nature of the experimental base for its use.

Contributor:
John Herschel Project

Herschel2049

From:
Josiah Quincy
To:
Sir John Herschel
Date:
[31 May 1844]
Source of text:
RS:HS 14.292
Summary:

Discusses possibilities for republication of James Grahame's [History of the United States of North America]. Memoirs of Grahame are complete.

Contributor:
John Herschel Project

Herschel2050

From:
Josiah Quincy
To:
Sir John Herschel
Date:
[28 September 1844]
Source of text:
RS:HS 14.293
Summary:

Discusses publication of James Grahame's [History of the United States of North America] revised. Includes circular describing Grahame, his project and the cost of the books.

Contributor:
John Herschel Project

Herschel2243

From:
Martyn Roberts
To:
Sir John Herschel
Date:
[27 January 1844]
Source of text:
RS:HS 14.495
Summary:

Describes an experiment that may explain optical 'delusion' created when stars pass behind moon. Will publish it if JH finds it worthy of publication.

Contributor:
John Herschel Project

Herschel2284

From:
Edward Sabine
To:
Sir John Herschel
Date:
[12 January 1844]
Source of text:
RS:HS 15.155
Summary:

Sends actinometer returns for remarks and suggestions. Mentions public dinner for scientific community.

Contributor:
John Herschel Project

Herschel2285

From:
Edward Sabine
To:
Sir John Herschel
Date:
[25 January 1844]
Source of text:
RS:HS 15.156
Summary:

Sends actinometric returns and drawing of comet from Hobarton Magnetic Observatory. [John] Lefroy's expedition in U.S. and Canada is going well. Received the observations from Algiers.

Contributor:
John Herschel Project

Herschel2286

From:
Edward Sabine
To:
Sir John Herschel
Date:
[23 March 1844]
Source of text:
RS:HS 15.157
Summary:

Encloses letter from Dr. [John] Locke. Wants to loan him a magnetometer to set up a station at Cincinnati. Received [John] Caldecott's volume of JH's observations. Thinks publishing costs will be high.

Contributor:
John Herschel Project

Herschel2287

From:
Edward Sabine
To:
Sir John Herschel
Date:
[26 April 1844]
Source of text:
RS:HS 15.158
Summary:

Encloses bills for the Committee. [Johann] Lamont will be in England that year to correct continental surveys. Glad JH will be president [of B.A.A.S. meeting] at Cambridge.

Contributor:
John Herschel Project

Herschel2288

From:
Edward Sabine
To:
Sir John Herschel
Date:
[26 September 1844]
Source of text:
RS:HS 15.159
Summary:

Magnetic phenomena move in opposite directions in the northern and southern hemispheres. This contradicts a report made by JH. Asks permission to omit JH's statements concerning this issue.

Contributor:
John Herschel Project

Herschel2289

From:
Edward Sabine
To:
Sir John Herschel
Date:
[7 October 1844]
Source of text:
RS:HS 15.160
Summary:

Received notes on omission of passage [1844-9-26] in good time. Asks JH to return proof of report. Regaining strength before going back to study Toronto volume.

Contributor:
John Herschel Project

Herschel2290

From:
Edward Sabine
To:
Sir John Herschel
Date:
[14 October 1844]
Source of text:
RS:HS 15.161
Summary:

Edinburgh [Review] named someone else as the person who found the true correction of the rate of pendulums on account of the atmospheric medium. ES actually discovered the correction first. Discusses [James] Ross's intensity ovals.

Contributor:
John Herschel Project

Herschel2291

From:
Edward Sabine
To:
Sir John Herschel
Date:
[19 October 1844]
Source of text:
RS:HS 15.162
Summary:

Sending proof copies of the report on the Toronto meteorological observations. Asks JH to make suggestions for corrections and improvements.

Contributor:
John Herschel Project

Herschel2292

From:
Edward Sabine
To:
Sir John Herschel
Date:
[22 October 1844]
Source of text:
RS:HS 15.163
Summary:

Obliged for JH's comments regarding pendulum apparatus. Discusses the article that wrongly attributes ES's discovery to [F. W.] Bessel and [Francis] Baily.

Contributor:
John Herschel Project

Herschel2293

From:
Edward Sabine
To:
Sir John Herschel
Date:
[9 November 1844]
Source of text:
RS:HS 15.164
Summary:

Sends actinometer observations of 1841 and 1842, which he will publish. Asks JH to look them over and make comments.

Contributor:
John Herschel Project

Herschel2294

From:
Edward Sabine
To:
Sir John Herschel
Date:
[11 November 1844]
Source of text:
RS:HS 15.165
Summary:

Discusses ES's experiments with convertible and travelling pendulums. Asks how 'für vaterländische Cultur' is to be translated for the list of societies.

Contributor:
John Herschel Project

Herschel2295

From:
Edward Sabine
To:
Sir John Herschel
Date:
[14 November 1844]
Source of text:
RS:HS 15.166
Summary:

Pleased that JH agrees on removal of tail pieces and moveable weights from pendulums. Discusses pendulum experiments in air and vacuums.

Contributor:
John Herschel Project

Herschel2296

From:
Edward Sabine
To:
Sir John Herschel
Date:
[18 November 1844]
Source of text:
RS:HS 15.167
Summary:

Discusses the best pendulum models inside and outside a vacuum apparatus. ES will be given credit for improving the manipulation of pendulums. Makes several other comments regarding pendulums.

Contributor:
John Herschel Project

Herschel2297

From:
Edward Sabine
To:
Sir John Herschel
Date:
[25 November 1844]
Source of text:
RS:HS 15.168
Summary:

Will attend to JH's wishes regarding the correspondence. Discusses the buoyancy correction for particular types of pendulums. Asks if JH has received the magnetic results from Geneva.

Contributor:
John Herschel Project

Herschel2298

From:
Sir John Herschel
To:
Edward Sabine
Date:
[27 November 1844]
Source of text:
RS:HS 15.169 (C: RS:HS 22.212)
Summary:

Responds to ES's request for JH's remarks on the mode of registering and printing the actinometer observations.

Contributor:
John Herschel Project

Herschel2299

From:
Edward Sabine
To:
Sir John Herschel
Date:
[6 December 1844]
Source of text:
RS:HS 15.170
Summary:

Sends 30 copies of JH's letters by coach. Will charge to the B.A.A.S. account.

Contributor:
John Herschel Project
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