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From:
[Adolph Theodor Kupffer?]
To:
Sir John Herschel
Date:
[31 January 1849]
Source of text:
RAS:JH Archive 10/5.117; Reel 9
Summary:

Thanks to JH for the copy of JH's Cape Results.

Contributor:
John Herschel Project
From:
Maximilian Weisse
To:
Sir John Herschel
Date:
[26 March 1849]
Source of text:
RS:HS 18.138
Summary:

Thanks JH for Cape Results sent through [F. G. W.] Struve. Further grateful for the N. L. Lacaille and Jérôme Lalande works sent to the observatory. Appreciates reduction of the moon results as well as the magnetic observation of 1845. Reveals new development in double star zones[?]. Comments on making magnetic observations.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[30 June 1849]
Source of text:
RS:HS 18.155
Summary:

Will visit JH next week. Describes machine CW will bring to illustrate undulatory theory of light.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[26 July 1849]
Source of text:
RS:HS 18.156
Summary:

Lists seven French and German works [1837-1847] on optical science. Comments on one. Quotes copyright law on reproducing passages from these.

Contributor:
John Herschel Project
From:
Arthur Cleveland Wigan
To:
Sir John Herschel
Date:
[17 December 1849]
Source of text:
RS:HS 18.404
Summary:

Thanks for JH's candor and observations of W. H. Wollaston. A. L. Wigan revised book [Duality of the Mind (1844)] before death, but revision is still under review. Offensive passages will be removed, and JH's suggestions incorporated.

Contributor:
John Herschel Project
From:
William King
To:
Sir John Herschel
Date:
[25 March 1849]
Source of text:
RS:HS 19.286
Summary:

Delay in printing WK's meteorology paper.

Contributor:
John Herschel Project
From:
William Cranch Bond
To:
Sir John Herschel
Date:
[2 March 1849]
Source of text:
Univ. of London Library
Summary:

Expresses appreciation for being elected an associate of the R.A.S.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[23 October 1849]
Source of text:
RGO 6.142.149
Summary:

Is William Dawes equatorial telescope available for purchase?

Contributor:
John Herschel Project
From:
William Empson
To:
Sir John Herschel
Date:
29 August [1849]
Source of text:
RS:HS 7.64
Summary:

Thanks for his letter concerning L. A. J. Quetelet; trusts he will be able to prepare the article for the Christmas number. Cholera is at Haileybury.

Contributor:
John Herschel Project
From:
William Empson
To:
Sir John Herschel
Date:
21 September [1849]
Source of text:
RS:HS 7.65
Summary:

Hopes his paper on L. A. J. Quetelet will be ready for the Easter number. Richard Jones has returned from Switzerland, and dined with Quetelet in Brussels. Has been suffering himself with congestion of the brain and consequently unable to write.

Contributor:
John Herschel Project
From:
William Empson
To:
Sir John Herschel
Date:
17 November [1849]
Source of text:
RS:HS 7.66
Summary:

Is much better but has to take care. Francis Jeffrey (Lord Jeffrey) has taken over the editorial duties of the [Edinburgh] Review. Pleased to hear he is working on his paper. Will inquire about the average Englishman. W. H. Sykes and S. D. Poisson have published papers on this subject.

Contributor:
John Herschel Project
From:
William Empson
To:
Sir John Herschel
Date:
17 August [1849]
Source of text:
RS:HS 7.76
Summary:

Expects he has received the proofs by now. Is pleased he will review L. A. J. Quetelet's book on probabilities. Returns to Haileybury next month.

Contributor:
John Herschel Project
From:
Isaac Fletcher
To:
Sir John Herschel
Date:
[25 October 1849]
Source of text:
RS:HS 7.271
Summary:

Has JH any of his papers he wrote on the micrometrical measures of the double stars as he does not possess the volumes that contain them. Has erected an equatorial for the purpose of measuring the double stars. Gives details.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[29 May 1849]
Source of text:
RS:HS 7.310
Summary:

Regarding the possibility of a new edition of JH's Treatise Astr. originally published in Lardner's Cyclopaedia. Has found it very useful for his students.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[23 November 1849]
Source of text:
RS:HS 7.311
Summary:

B.A.A.S. and Royal Society of Edinburgh have been approached to apply to the government for finance to send an observer and reflector to the Cape Observatory. Does JH think this advisable, with his knowledge of conditions at the Cape?

Contributor:
John Herschel Project
From:
William Galbraith
To:
Sir John Herschel
Date:
[29 May 1849]
Source of text:
RS:HS 8.1
Summary:

Pointing out some errors in JH's Outlines Astr.

Contributor:
John Herschel Project
From:
William Galbraith
To:
Sir John Herschel
Date:
[12 June 1849]
Source of text:
RS:HS 8.2
Summary:

Thanks for his letter. Was pleased to hear about the corrections. Points out another error in JH's figures in JH's Outlines Astr.

Contributor:
John Herschel Project
From:
William Galbraith
To:
Sir John Herschel
Date:
[24 November 1849]
Source of text:
RS:HS 8.3
Summary:

Has received his note enclosing G. B. Airy's paper. Regrets any trouble he may have caused. Sends copies of his own paper for measuring heights by the barometer. Took some observations on the tides at Brodick and comments on William Whewell's statements concerning tides.

Contributor:
John Herschel Project
From:
James A. Gordon
To:
Sir John Herschel
Date:
[27 July 1849]
Source of text:
RS:HS 8.181
Summary:

Favorable comment from all quarters on JH's latest book of poems. Draws attention to an article on Scottish abbeys and cathedrals. Has just paid his respects to the King [of France], who remembers JH warmly.

Contributor:
John Herschel Project
From:
James A. Gordon
To:
Sir John Herschel
Date:
[5 August 1849]
Source of text:
RS:HS 8.182
Summary:

Outlining the advantage of a visit to Scotland. Hopes JH will have time to visit Knockspock as some of his friends will be there.

Contributor:
John Herschel Project