Search: Herschel, John in correspondent 
Sabine, Edward in correspondent 
1840-1849::1844 in date 
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Herschel14380

From:
Edward Sabine
To:
Sir John Herschel
Date:
[14 September 1844]
Source of text:
TxU:H/M-0520.12; Reel 1093
Summary:

Forwarded to George Peacock JH's letter of 11 Sept. Karl Kreil will send self-registering instruments that ES ordered for Kew observatory. Influence of vapor pressure on barometer readings. Introduction of hygrometers.

Contributor:
John Herschel Project

Herschel14381

From:
Edward Sabine
To:
Sir John Herschel
Date:
[16 September 1844]
Source of text:
TxU:H/M-0520.13; Reel 1093
Summary:

George Peacock returned JH's papers, with letter by Peacock. ES forwards these to JH.

Contributor:
John Herschel Project

Herschel14382

From:
Edward Sabine
To:
Sir John Herschel
Date:
[20 September 1844]
Source of text:
TxU:H/M-0520.14; Reel 1093
Summary:

Received letter from J. H. Lefroy in Athabasca [Canada]. Extract of C. J. B. Riddell's winter magnetic operations and summer plans along Red River.

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

Herschel14383

From:
Edward Sabine
To:
Sir John Herschel
Date:
[19 October 1844]
Source of text:
TxU:H/M-0520.15; Reel 1093
Summary:

J. H. Lefroy returned from McKenzie River [Canada] having established at least 350 magnetic stations between there and Red River, 'a fine pendant for [J. C.] Ross's survey' in southern hemisphere.' If expedition continues through winter, it will provide excellent survey of North American disturbances.

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

Herschel14384

From:
Edward Sabine
To:
Sir John Herschel
Date:
[12 December 1844]
Source of text:
TxU:H/M-0520.16; Reel 1093
Summary:

Sent out copies of JH's remarks on Toronto actinometer. Expects that observations recommended by JH will be made next summer. Replacement for J. H. Kay's broken actinometer will arrive [in Tasmania] next June. Possible remedies to declination readings.

Contributor:
John Herschel Project
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