Search: Herschel, John in correspondent 
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1840-1849::1845::04 in date 
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Herschel6941

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
1845-4
Source of text:
RS:HS 6.221
Summary:

Regarding pens and suitable ink for various types. Further comments on the inscription for Francis Baily's memorial tablet.

Contributor:
John Herschel Project

Herschel14395

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1 April 1845]
Source of text:
TxU:H/M-0521.11; Reel 1093
Summary:

Reply from G. A. Erman to JH's circular is best one yet received. Erman recommends calculating magnetic constants of 1829. ES suggests grant from B.A.A.S. to fund this. Alexander Humboldt will reply soon. Charles Wheatstone should describe new apparatus in letter to JH that can be sent to observatories.

Contributor:
John Herschel Project

Herschel4756

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[1 April 1845]
Source of text:
RS:HS 1.146 (C: RGO 6.675.387)
Summary:

Regarding magnetic establishments and observations.

Contributor:
John Herschel Project

Herschel1678

From:
Alfred Smee
To:
Sir John Herschel
Date:
[2 April 1845]
Source of text:
RS:HS 16.164
Summary:

Responds to comments about Robert Hunt [see JH's 1845-4-2]; talks about making an artificial eye.

Contributor:
John Herschel Project

Herschel152

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[2 April 1845]
Source of text:
RGO 6.699.231
Summary:

Comments on JH's observing a 'falling star.'

Contributor:
John Herschel Project

Herschel1677

From:
Sir John Herschel
To:
Alfred Smee
Date:
[2 April 1845]
Source of text:
RS:HS 16.163
Summary:

About a letter of recommendation JH is preparing for Robert Hunt.

Contributor:
John Herschel Project

Herschel9673

From:
Thomas Galloway
To:
Sir John Herschel
Date:
[2 April 1845]
Source of text:
RS:HS 8.23
Summary:

Sending the manuscript of James Dunlop's paper.

Contributor:
John Herschel Project

Herschel13645

From:
Charles Babbage
To:
Sir John Herschel
Date:
[3 April 1845]
Source of text:
TxU:H/M-0028; Reel 1062
Summary:

As trustee of marriage settlement of CB's sister [Mary Anne Hollier], JH is asked to sign enclosed order. Reports distribution of money to sister and to H. J. Hollier.

Contributor:
John Herschel Project

Herschel116

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[3 April 1845]
Source of text:
RGO 6.675.389
Summary:

Wants to know if GA's opinions [see GA's 1845-4-1] are available for public information, or only for JH.

Contributor:
John Herschel Project

Herschel14396

From:
Edward Sabine
To:
Sir John Herschel
Date:
[4 April 1845]
Source of text:
TxU:H/M-0521.12; Reel 1093
Summary:

Received reply from Karl Kreil in letter from Count Senftenberg, who owns private magnetic and meteorological observatory east of Prague run by Kreil's former assistant. ES asks JH to write letter to Clemens von Metternich, as requested by Senftenberg. High regard for Kreil's work.

Contributor:
John Herschel Project

Herschel104

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[4 April 1845]
Source of text:
RGO 6.675.391
Summary:

Last letter to JH was private [see GA's 1845-4-1].

Contributor:
John Herschel Project

Herschel4757

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[4 April 1845]
Source of text:
RS:HS 1.147 (C: RGO 6.463.324)
Summary:

Wants information on dispersion/separation of light in plate or crown glass.

Contributor:
John Herschel Project

Herschel5363

From:
Sir John Herschel
To:
Charles Babbage
Date:
[4 April 1845]
Source of text:
RS:HS 2.310
Summary:

Regarding the deed for CB's brother-in-law. Is reading G. W. Leibniz's metaphysical works.

Contributor:
John Herschel Project

Herschel385

From:
Sir John Herschel
To:
George Biddell Airy
Date:
1845-4-4 or later
Source of text:
RGO 6.463.325
Summary:

Provides the best values available for dispersion and separation, which will allow GA to calculate what he needs [see GA's 1845-4-4].

Contributor:
John Herschel Project

Herschel11469

From:
John William Lubbock
To:
Sir John Herschel
Date:
[5 April 1845]
Source of text:
RS:HS 11.382
Summary:

The President was requested to write to the East India Company about the observatories. Continuance of the magnetic observations at Greenwich was referred to the Committee of Physics. Cannot find where Nicolas Clement-Desormes's observations are published. Has been studying the wet bulb problem. Capt. Herbert has denounced the article on hygrometry in Brewster's Encyclopaedia.

Contributor:
John Herschel Project

Herschel7429

From:
Peter Stewart
To:
Sir John Herschel
Date:
[5 April 1845]
Source of text:
RAS:JH Archive 10/1.12; Reel 9
Summary:

Sending proofs and costs of four plates from engraver James Basire. Plate of large nebulae in progress. PS located old style type that JH prefers. Finances prohibit including all plates. JH must select which ones to include.

Contributor:
John Herschel Project

Herschel4156

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[5 April 1845]
Source of text:
RS:HS 16.278
Summary:

C. P. Smyth receives appointment as Astronomer Royal of Scotland. Again thanks JH for recommendation.

Contributor:
John Herschel Project

RS-MM-000871

From:
John Frederick William Herschel
To:
John William Lubbock
Date:
6 April 1845
Source of text:
MM/14/131, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

Herschel3481

From:
Sir John Herschel
To:
[John William Lubbock]
Date:
[6 April 1845]
Source of text:
RS MM 14.131
Summary:

Discusses procedures that should be followed when the Committee on Physics is summoned to deal with a 'momentous' matter, i.e., the discontinuation of the magnetic observatories.

Contributor:
John Herschel Project

Herschel1124

From:
Sir John Herschel
To:
Charles Wheatstone
Date:
[6 April 1845]
Source of text:
RS:HS 25.11.6
Summary:

The continuation of magnetic and meteorological observatories is under question, and CW's instrument for observing atmospheric electricity should be part of the discussion.

Contributor:
John Herschel Project
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