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Forbes, James David in correspondent 
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From:
James David Forbes
To:
Sir John Herschel
Date:
[23 May 1831]
Source of text:
RS:HS 7.275
Summary:

When they last met, JH had promised to show him some of the wonders of his 20-ft. reflector. Is in town for a few days and would welcome the chance of visiting him.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[10 May 1832]
Source of text:
RS:HS 7.276
Summary:

Is proposing to visit the continent after the Oxford meeting to make observations and intends taking some meteorological instruments. Would like JH's advice on some points regarding the large thermometer filled with a blue liquid.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[18 May 1832]
Source of text:
St. Andrews LB I, 678-81
Summary:

In preparation for foreign travel, asks JH about instruments and method for measuring radiation.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[26 May 1832]
Source of text:
St. Andrews LB I, 684-7 (C: RS:HS 7.277)
Summary:

Is grateful for JH's letter and offer of assistance. Will come to London earlier than expected so that he can call on him and discuss his problems before foreign travel. Would be glad of an introduction to Mario Gemmellaro and other scientists JH thinks would help him in his studies.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[17 July 1832]
Source of text:
RS:HS 7.278
Summary:

Regarding JH's actinometers, intends to compare their results when in Switzerland and would be pleased if JH has any determinations on them. Outlines the plan of his experiments. Thinks JH should publish an account of them before JF publishes the results of his experiments. Met L. A. J. Quetelet in Brussels. Intends visiting the Pyrenees.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[2 October 1832]
Source of text:
RS:HS 7.279
Summary:

Has postponed answering his letter until he has some worthwhile results to transmit. Local savants are unwilling to take much trouble but has met a German meteorologist, L. F. Kämtz, and together they have carried out observations on some of the mountains. Encloses some of the actinometer readings. Has 80 series of magnetic observations.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[1 December 1832]
Source of text:
RS:HS 7.280
Summary:

Returned suddenly from the continent and found JH's letter to his brother awaiting him. Outlines his reason for applying for the vacant post at the University and would welcome a testimonial from JH. Brewster is his chief rival. Gives a few observations on his recent trip to the continent.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[13 December 1832]
Source of text:
RS:HS 7.281
Summary:

Is sorry to trouble him again but would like a letter from JH that he can print with his testimonials, as David Brewster has now printed JH's letter, also [William?] Ritchie. Awaits the results before setting out for Europe.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[1 February 1833]
Source of text:
RS:HS 7.282
Summary:

Sending a copy of his testimonials and one of his reports on meteorology. Was elected to the chair of Natural Philosophy by a majority of 21 to 9. His cousin Leslie Melville hopes to be able to provide JH with letters before JH's departure for the Cape.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[6 April 1833]
Source of text:
RS:HS 7.283
Summary:

Thanks for his last letter. Assures him he has no bitter feelings over the spirit of David Brewster after his disappointment of the election. May make any use he wishes of his actinometer results. Intends going over to France in a month's time, but is very busy at the present time.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[28 April 1833]
Source of text:
RS:HS 7.284
Summary:

Has acquired a 7-ft. Newtonian telescope of William Herschel made in 1802. Is well preserved but the speculum appears to be tarnished. Would like to bring it to London to obtain JH's advice on its shortcomings. Is going to France to collect the actinometers and the results of L. F. Kämtz.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[13 May 1833]
Source of text:
RS:HS 7.285
Summary:

Sending the speculum to Slough in order that JH may examine it. Departs for Paris tomorrow. Hopes to see him at the Cambridge meeting.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[4 October 1833]
Source of text:
RS:HS 7.286
Summary:

Sending a proof of a paper he is now having printed. Wishes him all the best for his forthcoming expedition.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[5 February 1835]
Source of text:
St. Andrews LB II, 215-17 (C: RS:HS 7.287)
Summary:

Mentions letter from William Whewell sending JF JH's interesting but puzzling meteorological results. Will communicate them to a Dr. [John?] Davy at Malta. Has been busy preparing lectures. Made a short tour in England last summer. G. B. Airy has been awarded the Lalande Medal.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[27 May 1835]
Source of text:
RS:HS 7.288
Summary:

Has just come from Scotland on his way to the continent for two or three months. Pleased to hear JH's work is making good progress. Does he know that David Brewster made observations for two days of the year? Has sent him his paper on polarization. Has been occupied by the preparation of his paper on optics. Hopes to reduce his observations made on the continent in 1832. Would like T. C. Robinson, the instrument maker, to see JH's instructions.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[25 October 1835]
Source of text:
St. Andrews LB II, 233-6 (C: RS:HS 7.289)
Summary:

Unable to assist JH's friend Major [Abraham] Cloete as JF was away from home. Comments on results of JH's table and JF's own papers and scientific occupations. B.A.A.S. would welcome JH's ideas for meteorological work. S. D. Poisson has published a new work on heat, in which he attacks J. B. Fourier.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[12 August 1836]
Source of text:
RS:HS 7.290
Summary:

Encloses the second part of his paper on heat. Has procured some meteorological readings from Malta. Trusts everything is proceeding well at the Cape. Met G. B. Airy recently at Greenwich, where C. F. Gauss's apparatus is now installed. Mr. Gaubert is dead, also A. M. Ampère and G. C. F. M. R. De Prony.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[14 November 1836]
Source of text:
St. Andrews LB II, 391-4 (C: RS:HS 7.291)
Summary:

Pleased to hear JH's work is progressing. Disappointed with Dr. [John] Davy's meteorological observations at Malta. Comments on other scientific news, including recent eclipse, [Andrew] Crosse's controversial artificial crystals at Bristol B.A.A.S. meeting, JF's 1832 observations in Switzerland, and William Whewell's and William Buckland's books.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[19 January 1837]
Source of text:
RS:HS 7.292
Summary:

Encloses observations made by some of his pupils who have now formed a physico-mathematical society.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[14 February 1837]
Source of text:
RS:HS 7.293
Summary:

Sending a letter via Capt. Basil Hall. Is surprised JH did not mention the starry showers of 12 Nov. in his last letter, D. F. J. Arago is investigating them. J. B. Biot has published an extension of [Denison?] Olmsted's theory. Humphrey Lloyd has produced an interesting book on the undulatory theory. What measure does JH employ for the force of the wind? Has got William Whewell's anemometer. Influenza prevalent. William Farish has been succeeded by Robert Willis.

Contributor:
John Herschel Project