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Herschel, John in addressee 
1860-1869::1866 in date 
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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
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
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
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
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
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
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
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
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
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
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
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
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[21 April 1866]
Source of text:
RS:HS 6.169
Summary:

Has sent on the correspondence about K. L. C. Rümker's Southern Catalogue. Has recorded his vote in favor of the £150 for the reduction. Proposes sending his eldest son to Paris to study French and Art.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[27 April 1866]
Source of text:
RS:HS 1.294
Summary:

Regarding the documents for the Standards Commission.

Contributor:
John Herschel Project
From:
M[arion] S[haw] Bell
To:
Sir John Herschel
Date:
[30 April 1866]
Source of text:
RS:HS 5.46
Summary:

Is grateful for MB'S Ode to Sensibility. Regarding the Lords of the Level.

Contributor:
John Herschel Project
From:
Francis Diedrich Wackerbarth
To:
Sir John Herschel
Date:
[1866-5 or later]
Source of text:
RS:HS 18.3
Summary:

Sends children's book to JH. Believes JH, who reads German, will understand Swedish.

Contributor:
John Herschel Project
From:
Francis Diedrich Wackerbarth
To:
Sir John Herschel
Date:
[2 May 1866]
Source of text:
RS:HS 18.2
Summary:

Grateful to learn that [collection of William Herschel's works] is being addressed.

Contributor:
John Herschel Project
From:
Emily Hardcastle
To:
Sir John Herschel
Date:
[3 May 1866]
Source of text:
RS:HS 10.156
Summary:

Found the enclosed in a bookseller's shop, found it amusing, and sends it to JH to explain the mystery.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[4 May 1866]
Source of text:
RS:HS 1.295
Summary:

Is sending a packet of seven papers on metrical and decimal systems.

Contributor:
John Herschel Project
From:
G. Wharton Simpson
To:
Sir John Herschel
Date:
[12 May 1866]
Source of text:
RS:HS 17.210
Summary:

Wishes to ascertain certain facts for article on history and aspects of photography. Especially, asks where to find first record of JH and [Louis] Daguerre using hyposulfite of soda for fixing photographs.

Contributor:
John Herschel Project