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Herschel, John in addressee 
John Herschel Project in contributor 
letter in document-type 
1840-1849::1843::04 in date 
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Herschel3849

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
1843-4
Source of text:
unknown
Summary:

Describes the visit of the Crown Prince and Princess [of Hanover?] on her 93rd birthday (16 March).

Contributor:
John Herschel Project

Herschel6116

From:
Francis Baily
To:
Sir John Herschel
Date:
[1 April 1843]
Source of text:
RS:HS 3.243
Summary:

Has copied out JH's map showing the constellations as named by JH. Is moving to Richmond for a few weeks. Gives a message from H. C. Schumacher.

Contributor:
John Herschel Project

Herschel10815

From:
Joseph Hartnell
To:
Sir John Herschel
Date:
[2 April 1843]
Source of text:
RS:HS 10.167
Summary:

Has just received the news that Hartnell's son has passed the exams at Trinity College, Cambridge.

Contributor:
John Herschel Project

Herschel10422

From:
Thomas Henderson
To:
Sir John Herschel
Date:
[5 April 1843]
Source of text:
RS:HS 9.303
Summary:

Sending readings from his observations of the comet.

Contributor:
John Herschel Project

Herschel1367

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[5 April 1843]
Source of text:
RS:HS 17.316
Summary:

Comments on JH's positive calotype. Suggests comet may be return of (J.-D.) Cassini's comet of 1668. Gives theorem for finding parabolic orbit of comet if two observations are made in the ecliptic.

Contributor:
John Herschel Project

Herschel11188

From:
James Kemplay
To:
Sir John Herschel
Date:
[7 April 1843]
Source of text:
RS:HS 11.78
Summary:

Sends a paper of his brother, Christopher Kemplay, on a theory respecting comets. Has already submitted it to James Challis, who objects to some points. Would be glad of JH's comments.

Contributor:
John Herschel Project

Herschel7358

From:
Octavian Blewitt
To:
Sir John Herschel
Date:
[8 April 1843]
Source of text:
RAS:JH Archive 3/8.13; Reel 7
Summary:

Invites JH to 10 May anniversary dinner of Literary Fund Society.

Contributor:
John Herschel Project

Herschel9132

From:
William Whewell
To:
Sir John Herschel
Date:
[8 April 1843]
Source of text:
RS:HS 18.201
Summary:

Asks JH about a comet JH had been observing. Notes the publication of J. S. Mill's System of Logic, describing it as closer to JH's than to WW's position.

Contributor:
John Herschel Project

Herschel6678

From:
H. Cubitt
To:
Sir John Herschel
Date:
[13 April 1843]
Source of text:
RS:HS 5.382
Summary:

There is to be another cliff-blasting. Gives details of travel arrangements.

Contributor:
John Herschel Project

Herschel7343

From:
René J. H. Dutrochet
To:
Sir John Herschel
Date:
[15 April 1843]
Source of text:
RS:HS 6.519
Summary:

Has received the two memoires on photographic processes and rays of the solar spectrum. Presumes JH has now received his own work on Physical researches. Comments on various electrical experiments.

Contributor:
John Herschel Project

Herschel10423

From:
Thomas Henderson
To:
Sir John Herschel
Date:
[21 April 1843]
Source of text:
RS:HS 9.304
Summary:

Regarding the recent comet, believes it to be the one of 1668. Does not feel competent to comment on the proposal to change the names and boundaries of the constellations.

Contributor:
John Herschel Project

Herschel4731

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[22 April 1843]
Source of text:
RS:HS 1.121 (ACCS: RGO 6.368.662)
Summary:

Offers JH information about, and maps of, Switzerland, as GA understands JH is going there.

Contributor:
John Herschel Project

Herschel10747

From:
Robert Hunt
To:
Sir John Herschel
Date:
[23 April 1843]
Source of text:
RS:HS 10.99
Summary:

Sends some specimens of photographs he has made by using bichromate of potash and an acid solution of nitrate of mercury. Gives details of a luminous phenomena he has seen in the S.W. and would like an explanation of it from JH.

Contributor:
John Herschel Project

Herschel7357

From:
James Prescott Joule
To:
Sir John Herschel
Date:
[24 April 1843]
Source of text:
RAS:JH Archive 3/7.13; Reel 7
Summary:

Refers JH to page 18 of memoir of Manchester Literary and Philosophical Society, in which JJ, using 'the magnetic electrical machine,' succeeded in proving 'that heat may be generated by mechanical power without accompanying chemical change.'

Contributor:
John Herschel Project

Herschel6117

From:
Francis Baily
To:
Sir John Herschel
Date:
[25 April 1843]
Source of text:
RS:HS 3.244
Summary:

Gives his proposal for the amendment of nomenclature for the northern constellations. F. W. A. Argelander's new celestial atlas. Regarding JH's southern map. The letter from the B.A.A.S. has been sent to Sir Robert Peel.

Contributor:
John Herschel Project

Herschel9740

From:
Alfred Gautier
To:
Sir John Herschel
Date:
[26 April 1843]
Source of text:
RS:HS 8.87
Summary:

Introducing Professor Emile Plantamour, who is visiting England. Read JH's article on the rays of the solar spectrum with pleasure. Sends some articles by Plantamour from recent journals.

Contributor:
John Herschel Project

Herschel10983

From:
Antoine C. G. Jobert
To:
Sir John Herschel
Date:
[26 April 1843]
Source of text:
RS:HS 10.329
Summary:

Met JH when he was residing in the Auvergnes. Since then he has had to leave France and now resides in England, where he is making a living teaching French and writing books. Would be grateful if he could add JH's name as a subscriber to a forthcoming work.

Contributor:
John Herschel Project

Herschel6530

From:
Edward Joshua Cooper
To:
Sir John Herschel
Date:
[29 April 1843]
Source of text:
RS:HS 5.283
Summary:

Unable to write before as he was packing for his journey home. Regrets none of his northern friends had seen the comet. Its orbit has been calculated as 35.3 years. Remarks on the tail of the comet.

Contributor:
John Herschel Project
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