Search: 1850-1859 in date 
Herschel, John in addressee 
Sabine, Edward in author 
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From:
Edward Sabine
To:
Sir John Herschel
Date:
[15 February 1850]
Source of text:
RS:HS 15.336
Summary:

Glad to have seen Lady Herschel and children. Is recovering slowly. Thanks JH for interest in [Francis] Ronalds's work. Discusses paper ES has submitted for R.S.P.T.

Contributor:
John Herschel Project
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
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
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
From:
Edward Sabine
To:
Sir John Herschel
Date:
[23 May 1850]
Source of text:
RS MM.16.131
Summary:

Proposes date for next and perhaps final R.S.L. government grant committee meeting. Wishes there were more funding. Predicts results of meeting. Updates on ES's health.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[26 June 1850]
Source of text:
RS MM.16.130
Summary:

Encloses letters pertaining to committee decision, proposed by G. B. Airy and regarding which JH wrote a letter, to grant aid to Armagh Observations.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
16 November [1850]
Source of text:
TxU:H/M-0524; Reel 1093
Summary:

Received series of actinometer observations from [Joseph] Dayman aboard Rattlesnake. JH's trip to Continent. Completion of Francis Ronalds's magnetographs. Improved access to Kew Observatory by railway. Next committee meeting. Bakerian lecture by Michael Faraday.

Contributor:
John Herschel Project
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
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
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
From:
Edward Sabine
To:
Sir John Herschel
Date:
[6 March 1852]
Source of text:
RS MM.16.160
Summary:

Suggests postponing meeting of Wintringham Bequest Committee. Will bring up [Edward] Cooper's letter about comet memoir at next council meeting. Has worked out cost reductions for printing of R.S.P.T.

Contributor:
John Herschel Project
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
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
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
From:
Edward Sabine
To:
Sir John Herschel
Date:
[13 November 1852]
Source of text:
RS MM.16.158
Summary:

Hopes JH will present application of Kew Committee for financial aid at next council meeting. Includes suggestions for maximizing credibility of application.

Contributor:
John Herschel Project
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
From:
Edward Sabine
To:
Sir John Herschel
Date:
[1857?]
Source of text:
RS:HS 15.330
Summary:

Returns polar maps. Advises on methods of map projection, favoring polar projection. Working on new maps.

Contributor:
John Herschel Project
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
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
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