Search: Herschel, John in addressee 
Sabine, Edward in author 
1850-1859 in date 
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Herschel14429

From:
Edward Sabine
To:
Sir John Herschel
Date:
[31 October 1859]
Source of text:
TxU:H/M-0526.10; Reel 1093
Summary:

Proper procedure for communicating with Charles Grey. Cost and effectiveness of self-registering instruments versus older visual instruments. ES's method of estimating observatory expenses. Importance of observatory in Shanghai.

Contributor:
John Herschel Project

Herschel14430

From:
Edward Sabine
To:
Sir John Herschel
Date:
[26 October 1859]
Source of text:
TxU:H/M-0526.11; Reel 1093
Summary:

Extract of letter from Charles Grey, asking B.A.A.S. to inform Prince Albert of estimated expenses for proposed five-year survey of terrestrial magnetism. As president of joint committee of B.A.A.S. and R.S.L., JH should answer this. Entry of three U.S. observatories may eliminate need for observatory in Newfoundland. Recent visit to Kew by A. T. Kupffer suggests that Russian stations may soon have self-recording instruments. Proposes suspending observatory in Falkland Islands until colonies decide to join survey. Dutch observatory in Java. Describes buildings needed for observatories. Estimates expenses for six years.

Contributor:
John Herschel Project

Herschel148

From:
Edward Sabine
To:
Sir John Herschel
Date:
[26 June 1858]
Source of text:
RGO 6.694.508v
Summary:

Summarizes for JH the more extensive report appended, which recommends to the R.S.L. and the B.A.A.S. the establishment of magnetic observatories in several Colonial locations.

Contributor:
John Herschel Project

Herschel2357

From:
Edward Sabine
To:
Sir John Herschel
Date:
[25 February 1850]
Source of text:
RS:HS 15.229
Summary:

Discusses shipping some of JH's books, with a shipment of other books for the Royal Society, to the R.S.L. in order to save shipping charges.

Contributor:
John Herschel Project

Herschel2358

From:
Edward Sabine
To:
Sir John Herschel
Date:
[6 March 1850]
Source of text:
RS:HS 15.230
Summary:

Glad JH received gelatine paper. Discusses magnetic experiments at Toronto and Hobarton. Discusses R.S.L. committees and preparation of instruments for Arctic expedition.

Contributor:
John Herschel Project

Herschel2359

From:
Edward Sabine
To:
Sir John Herschel
Date:
[8 March 1850]
Source of text:
RS:HS 15.231
Summary:

Hypothesizes that annual variation of Dip and Total Force at Toronto may be caused by greater proximity of earth and sun. Discusses annual variations.

Contributor:
John Herschel Project

Herschel2360

From:
Edward Sabine
To:
Sir John Herschel
Date:
[22 August 1851]
Source of text:
RS:HS 15.232
Summary:

Wants advice regarding recalculation of magnetic lines using [C. F.] Gauss's method and new numerical data. This will be a provisional calculation.

Contributor:
John Herschel Project

Herschel2362

From:
Edward Sabine
To:
Sir John Herschel
Date:
[7 October 1851]
Source of text:
RS:HS 15.233
Summary:

Saw [J. B.] Listing, who may see JH soon. Sends volume of Cape magnetic observations. Thermometer at Kew is a great success. New thermometers compare favorably with [Henri] Regnault's.

Contributor:
John Herschel Project

Herschel2363

From:
Edward Sabine
To:
Sir John Herschel
Date:
[10 November 1851]
Source of text:
RS:HS 15.234
Summary:

Read JH's Admiralty Manual meteorology article. Disagrees with statement regarding barometer and pressure of dry atmosphere. Discusses atmosphere and barometer at some length.

Contributor:
John Herschel Project

Herschel2364

From:
Edward Sabine
To:
Sir John Herschel
Date:
[16 March 1852]
Source of text:
RS:HS 15.235
Summary:

Discusses regulations of bequest, which will benefit chemistry and physics. Discusses relationship between solar spot period and magnetic disturbances. Wants JH's comments on paper regarding this topic.

Contributor:
John Herschel Project

Herschel2365

From:
Edward Sabine
To:
Sir John Herschel
Date:
[12 April 1852]
Source of text:
RS:HS 15.236
Summary:

Believes similarity of period of solar spots and that of terrestrial magnetic variation is more than coincidental.

Contributor:
John Herschel Project

Herschel2366

From:
Edward Sabine
To:
Sir John Herschel
Date:
[16 April 1852]
Source of text:
RS:HS 15.237
Summary:

Discusses magnetic observations from Toronto and Hobarton from the 1840s. Attempting to determine when range of variation was greatest.

Contributor:
John Herschel Project

Herschel2369

From:
Edward Sabine
To:
Sir John Herschel
Date:
[9 February 1856]
Source of text:
RS:HS 15.239
Summary:

Glad JH is recovering and free from official duties [at the Mint]. Discusses his upcoming papers regarding magnetism.

Contributor:
John Herschel Project

Herschel2371

From:
Edward Sabine
To:
Sir John Herschel
Date:
[19 March 1857]
Source of text:
RS:HS 15.240
Summary:

Discusses [H. W.] Dove's works regarding rotating storms. New information from Russian observatories gives a more complete understanding of the phenomenon. Has not seen Keith Johnson's new edition of Physical Atlas.

Contributor:
John Herschel Project

Herschel2373

From:
Edward Sabine
To:
Sir John Herschel
Date:
[6 April 1857]
Source of text:
RS:HS 15.242
Summary:

Glad to know which of ES's papers JH has. Sends another along with maps from [Keith] Johnson's Physical Atlas. Discusses JH's ideas regarding relationship between solar spots and magnetic disturbances.

Contributor:
John Herschel Project

Herschel2374

From:
Edward Sabine
To:
Sir John Herschel
Date:
[6 April 1857]
Source of text:
RS:HS 15.243
Summary:

Mentions [P.] Plantamour's memoir on barometer and a criticism by Mr. Dilams[?]. Comprehending why variations of magnetic disturbances correspond in period with terrestrial year is difficult.

Contributor:
John Herschel Project

Herschel2377

From:
Edward Sabine
To:
Sir John Herschel
Date:
[26 May 1857]
Source of text:
RS:HS 15.244
Summary:

Asks JH to read ES's publications for the R.S.L. proceedings concerning colonial magnetic observations. Wishes JH could see R.S.L.'s recent accomplishments in magnetism.

Contributor:
John Herschel Project

Herschel2379

From:
Edward Sabine
To:
Sir John Herschel
Date:
[25 June 1857]
Source of text:
RS:HS 15.245
Summary:

Glad JH is reviewing advancement of science by R.S.L. members. Disappointed that little was accomplished in certain areas where more was expected.

Contributor:
John Herschel Project

Herschel2381

From:
Edward Sabine
To:
Sir John Herschel
Date:
[26 February 1858]
Source of text:
RS:HS 15.246
Summary:

Discusses ellipticity and results of [G. B.] Airy and [F. W.] Bessel. Also, [Alexander von] Humboldt's magnetic results.

Contributor:
John Herschel Project

Herschel2384

From:
Edward Sabine
To:
Sir John Herschel
Date:
[2 July 1858]
Source of text:
RS:HS 15.247
Summary:

Wife not well enough to visit Collingwood. ES may come next week. University of Kasan Observatory may assist British endeavors. Mr. Bolyani is very capable.

Contributor:
John Herschel Project
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