Search: Herschel, John in addressee 
Herschel, John in correspondent 
1870-1879::1870 in date 
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Herschel2269

From:
G. W. Royston-Pigott
To:
Sir John Herschel
Date:
[1870].
Source of text:
RS:HS 14.506
Summary:

Asks permission to send JH several articles he wrote concerning optics.

Contributor:
John Herschel Project

Herschel2270

From:
Dr. Ricketts
To:
Sir John Herschel
Date:
[21 January 1870]
Source of text:
RS:HS 14.489
Summary:

Asks where JH's opinion that subsidence of land is caused by the pressure of material accumulation is stated in detail.

Contributor:
John Herschel Project

Herschel2271

From:
J. Ryle
To:
Sir John Herschel
Date:
[27 May 1870]
Source of text:
RS:HS 14.516
Summary:

Appreciates JH's opinion regarding variability of climate, although it disagrees with his own. His views are not provable and the question remains one of probability.

Contributor:
John Herschel Project

Herschel2272

From:
J. Ryle
To:
Sir John Herschel
Date:
[1870-5-27 or after]
Source of text:
RS:HS 14.517
Summary:

[Richard?] Proctor [?] agrees with JR's views on Cosmical Climates. Re-presents his theory because he feels he did not state it fairly in his earlier [1870-5-27] letter.

Contributor:
John Herschel Project

Herschel2273

From:
G. W. Royston-Pigott
To:
Sir John Herschel
Date:
[12 December 1870]
Source of text:
RS:HS 14.507
Summary:

Discusses his thoughts on high powered definition and residual aberration in microscopes. Thinks they may be applicable to telescopes.

Contributor:
John Herschel Project

Herschel2438

From:
Edward Sabine
To:
Sir John Herschel
Date:
[12 September 1870]
Source of text:
RS:HS 15.292
Summary:

Sends packet from [John] Hennessey to JH for his perusal. Discusses recent weather. Wants JH's opinion of self-recording meteorological instruments. Mentions wreck of the Hansa.

Contributor:
John Herschel Project

Herschel2439

From:
Edward Sabine
To:
Sir John Herschel
Date:
[17 September 1870]
Source of text:
RS:HS 15.293
Summary:

Sends telegram from the Germania. Discusses crew of Hansa [see 15.292]. Asks if JH wants certain experiments done at Kew. Troubled by [W. A.] Miller's sudden illness.

Contributor:
John Herschel Project

Herschel2440

From:
Edward Sabine
To:
Sir John Herschel
Date:
[29 September 1870]
Source of text:
RS:HS 15.294
Summary:

Sends notice from [C. P. B.] Walker regarding pendulum experiments in India. Would welcome suggestions for new experiments in India.

Contributor:
John Herschel Project

Herschel2486

From:
James Samuelson
To:
Sir John Herschel
Date:
[8 March 1870]
Source of text:
RS:HS 15.340a
Summary:

Asks JH to write to Earl de Grey [G. F. S. Robinson] stating JS's qualifications for position on Royal Commission 'for inquiring into the question of the Extension of State Aid to Sciences.'

Contributor:
John Herschel Project

Herschel2617

From:
William Selwyn
To:
Sir John Herschel
Date:
[1870]
Source of text:
RS:HS 15.513
Summary:

Thanks JH for drawing of solar maculae from 1854-61. Some hesitancy about the accuracy of [Alexander?] Wilson's observations and hypotheses. Sixty people wish to travel to Spain to see eclipse of the sun.

Contributor:
John Herschel Project

Herschel2619

From:
William Selwyn
To:
Sir John Herschel
Date:
[25 April 1870]
Source of text:
RS:HS 15.507
Summary:

Is sending solar autographs. Notes that in groups of spots the larger precede the smaller spots. Can JH form any theories from this?

Contributor:
John Herschel Project

Herschel2620

From:
William Selwyn
To:
Sir John Herschel
Date:
25?] April? [1870
Source of text:
RS:HS 15.517
Summary:

Detached postscript that discusses the margins of the two photographs, which seem to show that all planets are in the near hemisphere.

Contributor:
John Herschel Project

Herschel2623

From:
William Selwyn
To:
Sir John Herschel
Date:
[11 May 1870]
Source of text:
RS:HS 15.508
Summary:

Desires permission to present JH's 'diagram of "macularity"' to the R.A.S.

Contributor:
John Herschel Project

Herschel2625

From:
William Selwyn
To:
Sir John Herschel
Date:
[11 June 1870]
Source of text:
RS:HS 15.509
Summary:

Discusses the different strata of the ocean and [William] Carpenter's lecture on deep sea dredging. Is digging an artesian well.

Contributor:
John Herschel Project

Herschel2626

From:
William Selwyn
To:
Sir John Herschel
Date:
[16 June 1870]
Source of text:
RS:HS 15.510
Summary:

Sends two copies of JH's 'macular conspectus.' Mr. Titterton was very pleased that JH approved of his work.

Contributor:
John Herschel Project

Herschel2628

From:
William Selwyn
To:
Sir John Herschel
Date:
[24 June 1870]
Source of text:
RS:HS 15.511
Summary:

Thanks JH for the drawings. Will send new solar autographs showing macula. Is working on the autographic series of the activity of the sun during its 11 year period.

Contributor:
John Herschel Project

Herschel2630

From:
William Selwyn
To:
Sir John Herschel
Date:
[2 September 1870]
Source of text:
RS:HS 15.512
Summary:

Has been trying to make pendulum curves. Believes they may help explain the different sunspot forms. Thanks JH for the spectroscopic observation memoirs.

Contributor:
John Herschel Project

Herschel277

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[31 July 1870]
Source of text:
RGO 6.6.109
Summary:

About a title change for the Astronomer Royal's chief assistant.

Contributor:
John Herschel Project

Herschel2989

From:
Adolphe Quetelet
To:
Sir John Herschel
Date:
[29 December 1870]
Source of text:
Académie belgique: #60
Summary:

Thanks JH for writing. Complains of obstacles to his work. Happy to see JH recognizes work begun by Blaise Pascal and continued by famed mathematicians. Asks JH to respond to AQ's wish to dedicate his book [L'Anthropométric] to JH with only one word: 'J'accepte.'

Contributor:
John Herschel Project

Herschel3110

From:
Adolphe Quetelet
To:
Sir John Herschel
Date:
[29 December 1870]
Source of text:
RS:HS 14.275 (C: Académie belgique: #58)
Summary:

Is working on humans and their proportions. Encloses brochures. Wishes to dedicate L'Anthropométric to JH.

Contributor:
John Herschel Project
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