Search: Herschel, John in correspondent 
1860-1869::1866::04 in date 
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Showing 1–20 of 29 items

Herschel7187

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[1 April 1866]
Source of text:
RS:HS 6.383
Summary:

Has not heard from him for a long time; hopes his health is still good. Was sorry to hear of the death of Whewell. Sends a proof that has been puzzling him for a long time, and a French riddle.

Contributor:
John Herschel Project

Herschel2583

From:
Sir John Herschel
To:
William Selwyn
Date:
[2 April 1866]
Source of text:
RS:HS 24.150
Summary:

Discusses how to denote the positions of the celestial bodies in solar photographs. Advocates a system that shows differences of heliocentric longitude on the sides of the sun.

Contributor:
John Herschel Project

Herschel2584

From:
William Selwyn
To:
Sir John Herschel
Date:
[4 April 1866]
Source of text:
RS:HS 15.486
Summary:

Limited space precludes use of JH's suggestions for the photographic display. Will continue the series of solar autographs up to 11 years if he can.

Contributor:
John Herschel Project

Herschel12790

From:
Sir John Herschel
To:
O. A. Hodgson
Date:
[6 April 1866]
Source of text:
TxU:H/L-0195; Reel 1054
Summary:

As executor for estate of late [Thomas] Baldwin, JH received OH's certificate and order for payment to Mrs. Baldwin. Concern for Mrs. Baldwin's advanced age and her lax method of writing checks. Disposition of estate after Mrs. Baldwin dies.

Contributor:
John Herschel Project

Herschel2585

From:
Sir John Herschel
To:
William Selwyn
Date:
[6 April 1866]
Source of text:
RS:HS 24.151
Summary:

Helioautographs are beautiful. Advises keeping original plan for presentation. Says 'Clarke's' [Harvey Carlisle's] article on William Whewell in MacMillan's is satisfactory. Describes an 'absurd paragraph' regarding Whewell in François Moigno's Mondes.

Contributor:
John Herschel Project

Herschel6657

From:
M[ichael] Connal
To:
Sir John Herschel
Date:
[7 April 1866]
Source of text:
RS:HS 5.360
Summary:

Regarding his own theory of the determination of heights by the barometer, which has been modified by reading JH's pamphlet on Meteorology.

Contributor:
John Herschel Project

Herschel5831

From:
Alfred Brothers
To:
Sir John Herschel
Date:
[10 April 1866]
Source of text:
RS:HS 4.300
Summary:

Would like to publish his letter on the hyposulfite fixing process.

Contributor:
John Herschel Project

Herschel7188

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[10 April 1866]
Source of text:
RS:HS 24.152
Summary:

Comments on JH's health, the death of William Whewell, and extended comments on a mathematical proof provided by AD [see AD's 1866-4-1].

Contributor:
John Herschel Project

Herschel7189

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[11 April 1866]
Source of text:
RS:HS 6.384
Summary:

Considers JH's account of his own health tolerably good. The Odyssey will set him up entirely. Sends proof of one of his theorems. New professorship of International Law. Should jot down biographical details of William Whewell for the R.S.L.

Contributor:
John Herschel Project

Herschel228

From:
John Wrottesley
To:
Sir John Herschel
Date:
[16 April 1866]
Source of text:
RGO 6.412.155
Summary:

Criticizes Charles Rümker's catalogue of southern stars.

Contributor:
John Herschel Project

Herschel727

From:
Sir John Herschel
To:
Alexander Stewart Herschel
Date:
[16 April 1866]
Source of text:
JHS 1.123
Summary:

Mostly talks about having been offered some money to pay for the reduction of William Herschel's [JH's father] double star observations in preparation for publication.

Contributor:
John Herschel Project

Herschel4370

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[17 April 1866]
Source of text:
RS:HS 14.99
Summary:

R.A.S. wants JH to direct the preparation of William Herschel's catalogue of double stars for publication. CP suggests Alexander Herschel prepare the catalogue with JH's supervision. G. B. Airy observes the 'willow leaves.'

Contributor:
John Herschel Project

Herschel11178

From:
Francis Charles Knowles
To:
Sir John Herschel
Date:
[17 April 1866]
Source of text:
RS:HS 11.68
Summary:

Would like JH's comments on one of his own theories regarding screw propulsion of ships. Sent it to the Admiralty, who rejected it. Can JH's son recommend a good resume of the physical and chemical composition of aerolithes?

Contributor:
John Herschel Project

Herschel10517

From:
John R. Hind
To:
Sir John Herschel
Date:
[18 April 1866]
Source of text:
RS:HS 9.394
Summary:

Regrets his reply [to Hind's 1866-1-30?] is late owing to absence on an excursion. Has not heard that either comet has been perceived. Has not seen Otto Struve's remarks.

Contributor:
John Herschel Project

Herschel4903

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[20 April 1866]
Source of text:
RS:HS 1.291
Summary:

Further regarding the possible introduction of the metrical system for weights and measures.

Contributor:
John Herschel Project

Herschel227

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[20 April 1866]
Source of text:
RGO 6.412.158
Summary:

Comments on the quality of the star catalogue of Charles Rümker [see John Wrottesley's 1866-4-16].

Contributor:
John Herschel Project

Herschel473

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[20 April 1866]
Source of text:
RGO 6.15.110
Summary:

Comments on William Whewell's replacement on the Royal Observatory's Board of Visitors.

Contributor:
John Herschel Project

Herschel570

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[20 April 1866]
Source of text:
RGO 6.359.240
Summary:

Inquires of GA as to the current status of parliamentary moves to introduce the metric system into Britain [see GA's 1864-9-28].

Contributor:
John Herschel Project

Herschel4904

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[21 April 1866]
Source of text:
RS:HS 1.292
Summary:

Regarding the measurement of the heat and light of the sun by means of the movements of a comet.

Contributor:
John Herschel Project

Herschel4905

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[21 April 1866]
Source of text:
RS:HS 1.293 (C: RGO 6.15.111)
Summary:

Regarding JH's remarks on Robert Willis. Comments on the usefulness of W. H. Miller of Cambridge.

Contributor:
John Herschel Project
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