Search: Herschel, John in author 
1820-1829::1825::01 in date 
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Showing 1–11 of 11 items

Herschel5419

From:
Sir John Herschel
To:
Charles Babbage
Date:
[1825?]
Source of text:
RS:HS 2.366
Summary:

Is sorry he will be unable to see him. Is sending copies of their paper for distribution.

Contributor:
John Herschel Project

Herschel8499

From:
Sir John Herschel
To:
James South
Date:
[1825?]
Source of text:
RS:HS 16.479 (C: RS:HS 25.13.27)
Summary:

Has examined Edward Sabine's transit measurements; finds them unproblematic.

Contributor:
John Herschel Project

Herschel8501

From:
Sir John Herschel
To:
James South
Date:
[1825]
Source of text:
RS:HS 16.481 (C: RS:HS 25.13.26)
Summary:

Has represented JS's interests as best JH can regarding JS's proposal. Describes himself as unskillful in such representations.

Contributor:
John Herschel Project

Herschel8502

From:
Sir John Herschel
To:
James South
Date:
[1825?]
Source of text:
RS:HS 16.482 (C: RS:HS 25.13.28)
Summary:

Defends Edward Sabine's transit observations, noting that JH supports them on practical rather than theoretical grounds.

Contributor:
John Herschel Project

Herschel11500

From:
Sir John Herschel
To:
Francis Lunn
Date:
5 January [1825]
Source of text:
RS:HS 11.412verso
Summary:

Concludes original letter lost. Impossible to do any further work for the Encyclopaedia Metropolitana. Hopes FL will write the article.

Contributor:
John Herschel Project

Herschel12543

From:
Sir John Herschel
To:
Giovanni Antonio Plana
Date:
[14 January 1825]
Source of text:
RS:HS 13.413 (C (inc): RS:HS 20.195)
Summary:

Apologizes for delay in writing. Describes JH's travels across Europe back to England. Is sending GP copies of JH's papers in physics, mathematics, and astronomy, especially double stars. Describes a new instrument, a floating collimator, described by Henry Kater at the R.S.L. [Rough notes for a later letter on the back of part of this one.]

Contributor:
John Herschel Project

Herschel4947

From:
Sir John Herschel
To:
Giovanni B. Amici
Date:
[14 January 1825]
Source of text:
RS:HS 1.334 & 20.194
Summary:

Thanking him for his friendly reception when in Italy. Is sending GA journals and pamphlets likely to be of interest to him. Regarding various papers on the electrization of mercury. Please send details of Giuseppe Bianchi's barometer.

Contributor:
John Herschel Project

Herschel2994

From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[24 January 1825]
Source of text:
RS:HS 17.106a (C: RS:HS 20.196)
Summary:

Asks WS for account of the performance of his new [Josef] Fraunhofer telescope. Corroborates WS's double star motion data, except for 70 Ophiuchi, where JH and [James] South find no motion. Asks for observational targets and urges care in WS's observational technique. Mentions WS's intention to undertake celestial zone with [F. W.] Bessel. Describes [Henry] Kater's 'floating collimator.'

Contributor:
John Herschel Project

Herschel8189

From:
Sir John Herschel
To:
Josef von Fraunhofer
Date:
[27 January 1825]
Source of text:
RS:HS 19.5
Summary:

JF was elected associate of Astronomical Society. Will send Society's Transactions and JH's 'Absorption of Light.' W. H. F. Talbot delivered JF's 'Crown glass Prism.' JH presented J. G. Soldner's observations to Society and proposed Soldner as associate.

Contributor:
John Herschel Project

Herschel2098

From:
Sir John Herschel
To:
William Ritchie
Date:
[27 January 1825]
Source of text:
RS:HS 14.347 (C: RS:HS 20.197)
Summary:

Presented WR's paper on a new photometer to R.S.L. Discusses how objections may be avoided. Believes [John] Leslie's photometer should be thrown aside.

Contributor:
John Herschel Project

Herschel6369

From:
Sir John Herschel
To:
Niccolo Cacciatore
Date:
[31 January 1825]
Source of text:
RS:HS 5.134
Summary:

News since he left Palermo. Comments on the pamphlet NC recently sent him. Has to inform him that he has been elected an Associate of the Astronomical Society.

Contributor:
John Herschel Project
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