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Forbes, James David in correspondent 
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From:
James David Forbes
To:
Sir John Herschel
Date:
[12 July 1845]
Source of text:
St. Andrews LB III, 700 (C: RS:HS 7.307)
Summary:

Sends new edition of JF's Travels [through the Alps of Savoy]. Hopes JH will examine the theoretical part.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James David Forbes
Date:
[11 August 1845]
Source of text:
St. Andrews 111 (C: RS:HS 22.246)
Summary:

Thanks JF for second edition of work on the Alps. Praises first edition.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[3 February 1847]
Source of text:
St. Andrews LB IV, 193-5 (C: RS:HS 7.308)
Summary:

Comments, after delays due to busyness, on JH's queries on the calibration of actinometers and gives results of experiments.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James David Forbes
Date:
[1 March 1847]
Source of text:
St. Andrews 10a (C: RS:HS 22.304)
Summary:

Believes all actinometric measurements made are useless because they did not take into account the rate of expansion of the liquid, which is not constant.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[4 March 1847]
Source of text:
St. Andrews LB IV, 214-16 (C: RS:HS 7.309)
Summary:

Sympathizes with JH's feelings of regret over actinometer readings. Has procured a new thermometer and carried out experiments toward correction of actinometers.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James David Forbes
Date:
[22 June 1847]
Source of text:
RS:HS 22.320
Summary:

Asks for details of several actinometers.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[18 September 1847]
Source of text:
RAS:JH Archive 10/5.120; Reel 9
Summary:

Gratitude for gift of JH's Cape Results. Just returned from geological tour of highlands with [Bernhard] Studer from Bern [Switzerland]. Hopes to purchase Madame Witte's 'model of the Moon...for Edinburgh,' if it has not been bought in London. Observed Neptune at Oxford in company with U. J. J. Leverrier, J. C. Adams, and Wilhelm Struve.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James David Forbes
Date:
[21 November 1848]
Source of text:
St. Andrews 87
Summary:

Thanks for medal of the Royal Society of Edinburgh.

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:
Sir John Herschel
To:
James David Forbes
Date:
[1 June 1849]
Source of text:
St. Andrews 48
Summary:

Comments on JH's Treatise Astr. in the Cabinet Cyclopaedia, mentioning its continued publication, misstatements he wishes to correct, and his addition of A. de Gasparis's newly-discovered planet [Hygeia].

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:
Sir John Herschel
To:
James David Forbes
Date:
[26] November 1849
Source of text:
RS:HS 7.312 & 23.75
Summary:

Agrees that it would be desirable to make further observations at the Cape, but foresees difficulties, especially liaison with the Astronomer Royal at the Cape.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James David Forbes
Date:
[27 November 1849]
Source of text:
Edinburgh Royal Society
Summary:

[Responding to JF's 1849-11-23], JH cautiously discusses various considerations bearing on the idea of sending an astronomer and a large reflecting telescope to the Cape.

Contributor:
John Herschel Project
From:
John Frederick William Herschel
To:
James David Forbes
Date:
11 June 1850
Source of text:
MM/16/138, Royal Society
Summary:

No summary available.

Contributor:
Royal Society
From:
Sir John Herschel
To:
James David Forbes
Date:
[27 July 1850]
Source of text:
St. Andrews 56 & C: TxU:H/L-0146; Reel 1054 inc
Summary:

Calls JF's attention to an article in which an answer is attempted to JF's objection to 'the argument from probability of a physical connection between individuals of a double star.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James David Forbes
Date:
[31 October 1850]
Source of text:
St. Andrews 93 A/a (C: RS:HS 23.93)
Summary:

Describes travels through a volcanic district in France, highlighting beautiful scenery, various rock and lava formations, analyzing their causes, and comparing JH's observations with JF's.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[6 November 1850]
Source of text:
St. Andrews LB IV, 522-3 (C: RS:HS 7.313)
Summary:

Was pleased by JH's favorable opinion of his paper on the Vivarais. Finds JH's arguments concerning [John] Michell's theory of probabilities unconvincing. Will soon write a paper on the problems.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James David Forbes
Date:
1851-10
Source of text:
St. Andrews 87 (C: RS:HS 23.108)
Summary:

Asks JF to deliver papers about professorships and a council position at a new university at Sydney to interested, qualified parties.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[27 November 1851]
Source of text:
St. Andrews LB V, 103-4
Summary:

Regrets he has not been able to find anyone suitable for the chair of chemistry and natural philosophy at Sydney University.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James David Forbes
Date:
1856[?]-12-11
Source of text:
St. Andrews 109
Summary:

Letter of introduction for the Drs. Hermann and Robert Schlagentweit, whose scientific interests parallel JF's.

Contributor:
John Herschel Project