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Herschel, John in correspondent 
1870-1879::1871 in date 
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Showing 61–80 of 94 items

Herschel6675

From:
C[harles] Crowden
To:
Sir John Herschel
Date:
[29 April 1871]
Source of text:
RS:HS 5.379
Summary:

Is grateful for the testimonial JH has given him; it will be useful.

Contributor:
John Herschel Project

Herschel6868

From:
Sir John Herschel
To:
Warren de La Rue
Date:
[11 February 1871]
Source of text:
RS:HS 24.354
Summary:

Comments on sunspot activity.

Contributor:
John Herschel Project

Herschel6869

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[15 February 1871]
Source of text:
RS:HS 6.173
Summary:

Is glad he is pleased with the work of Balfour Stewart and himself. Has applied to R.S.L. for a further grant to carry on the observations and computations for another year. Intends to finance the last year himself. Since the death of his brother he has returned to business.

Contributor:
John Herschel Project

Herschel7255

From:
Sophia E. De Morgan
To:
Sir John Herschel
Date:
18 March [1871]
Source of text:
RS:HS 6.436
Summary:

Announcing the death of her husband Augustus.

Contributor:
John Herschel Project

Herschel7295

From:
Charles Davies
To:
Sir John Herschel
Date:
[11 January 1871]
Source of text:
RS:HS 6.474
Summary:

Has sent a work on the metric system in France, which includes JH's own valuable lecture.

Contributor:
John Herschel Project

Herschel7331

From:
Robert Ellis Dudgeon
To:
Sir John Herschel
Date:
[23 January 1871]
Source of text:
RS:HS 6.507
Summary:

Is grateful for his comments on his own paper on vision. Would he refer him to the work by Mr. Chopal on lens.

Contributor:
John Herschel Project

Herschel7332

From:
Robert Ellis Dudgeon
To:
Sir John Herschel
Date:
[23 February 1871]
Source of text:
RS:HS 6.508
Summary:

Relating his recent experiments in dioptrics. Encloses a model of his air-lens. Is grateful for the reference.

Contributor:
John Herschel Project

Herschel7767

From:
Robert Main and Charles Pritchard to R.A.S.
To:
Sir John Herschel
Date:
[8 November 1871]
Source of text:
RAS:JH Archive 14/4.2.3; Reel 11
Summary:

Report on late JH's manuscript on General History of Double Stars, bequeathed to R.A.S.

Contributor:
John Herschel Project

Herschel7783

From:
Sir John Herschel
To:
John Williams
Date:
[21 April 1871]
Source of text:
RAS: MSS Add.29 [suppl.]
Summary:

Encloses copy of JH's letter to R.A.S. [see JH's 1864-6-29] that accompanied JH's submission of W. L. Newman's tables for determining radii of aplanatic lenses. Suspects that there was more than one volume of tables.

Contributor:
John Herschel Project

Herschel7904

From:
George Robert Waterhouse
To:
Sir John Herschel
Date:
[15 February 1871]
Source of text:
RS:HS 18.108
Summary:

Turned JH's mineral specimen over to N. S. Maskelyne. Poor health of GW's wife.

Contributor:
John Herschel Project

Herschel8130

From:
George Mathews Whipple
To:
Sir John Herschel
Date:
[18 February 1871]
Source of text:
RS:HS 18.396
Summary:

Sends prints of solar photographs taken last week at Kew, as requested by Warren de La Rue. Regrets that picture on 11 Feb. was unsatisfactory.

Contributor:
John Herschel Project

Herschel8143

From:
John Williams
To:
Sir John Herschel
Date:
[24 April 1871]
Source of text:
RS:HS 18.411
Summary:

In Nov. 1864, R.A.S. council instructed secretary Charles Pritchard to write to JH regarding tables by late [W. L.] Newman of York, but JW finds no evidence that Pritchard complied. Cannot find Newman's tables. Pritchard may have taken them.

Contributor:
John Herschel Project

Herschel8361

From:
Sir John Herschel
To:
Nature
Date:
[21 January 1871]
Source of text:
RS:HS 19.161b
Summary:

Requests publication of a notice of the recalculation by H. J. R. Petersen of the Gaussian constants of terrestrial magnetism.

Contributor:
John Herschel Project

Herschel8618

From:
Sir John Herschel
To:
William Benjamin Carpenter
Date:
[19 April 1871]
Source of text:
Royal Geographical Society
Summary:

Discusses WC's ideas on the causes of oceanic circulation. Notes that wind currents are easier to study than water currents. Glad WC got his specimens of Mediterranean water.

Contributor:
John Herschel Project

Herschel8740

From:
Richard Anthony Proctor
To:
Sir John Herschel
Date:
[31 January 1871]
Source of text:
RS:HS 14.129
Summary:

Has sent JH a copy of his new book [The Sun].

Contributor:
John Herschel Project

Herschel8741

From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[2 February 1871]
Source of text:
RS:HS 24.351
Summary:

Thanks RP for sending RP's Sun. Suggests a theory that the solar corona, rather than originating in the earth's atmosphere, is produced by reflection from meteoric dust. Informs RP that he has completed a catalogue of all observations of double stars.

Contributor:
John Herschel Project

Herschel8742

From:
Richard Anthony Proctor
To:
Sir John Herschel
Date:
[3 February 1871]
Source of text:
RS:HS 14.130
Summary:

Raises objections to JH's theory of the solar corona. Discusses possible existence of extensive meteoric dust in the solar system. Requests permission to dedicate a book on sidereal astronomy to JH. Asks JH whether his father in later years always used a front focus for his large telescopes and whether he saw the supposed four additional Uranian satellites with his 40-foot reflector.

Contributor:
John Herschel Project

Herschel8743

From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[7 February 1871]
Source of text:
RS:HS 24.352
Summary:

Replies to RP's objections to his theory of the solar corona. Informs RP that William Herschel's larger telescopes were used as front focus. Suggests explanation of his father's disconfirmed discovery of four additional Uranian moons.

Contributor:
John Herschel Project

Herschel8744

From:
Richard Anthony Proctor
To:
Sir John Herschel
Date:
[8 February 1871]
Source of text:
RS:HS 14.131
Summary:

Discusses JH's response to his comments on JH's theory of the solar corona. Discusses great difficulty of writing his planned book on sidereal astronomy.

Contributor:
John Herschel Project

Herschel8745

From:
Richard Anthony Proctor
To:
Sir John Herschel
Date:
[27 February 1871]
Source of text:
RS:HS 14.132
Summary:

Reports on recent solar eclipse photographs of the solar corona which jeopardize JH's meteoric theory of the corona's origin. Concludes the corona must be 'after all a phenomenon of eruption!!'

Contributor:
John Herschel Project
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