Search: 1840-1849 in date 
John Herschel Project in contributor 
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From:
Charles Knight
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
Harvard: Houghton AAH 67m-67 (63)
Summary:

Compliments JH on 'greatly improved edition' of a book adding to 'every department of knowledge.'

Contributor:
John Herschel Project
From:
Christian F. Schönbein
To:
Sir John Herschel
Date:
[1840 or earlier?]
Source of text:
RS:HS 15.365
Summary:

Thanks JH for invitation to Slough. Will come to visit.

Contributor:
John Herschel Project
From:
Henry Anthony Jeffreys
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
Harvard: Houghton AAH 67m-67 (63)
Summary:

Invites JH to dinner.

Contributor:
John Herschel Project
From:
Henry Anthony Jeffreys
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
Harvard: Houghton AAH 67m-67 (107)
Summary:

Thanks JH for a favor.

Contributor:
John Herschel Project
From:
Henry Anthony Jeffreys
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
Harvard: Houghton AAH 67m-67 (63)
Summary:

Tells JH who will be at a gathering at the parsonage.

Contributor:
John Herschel Project
From:
Henry Anthony Jeffreys
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
Harvard: Houghton AAH 67m-67 (63)
Summary:

Reports on HJ's brother's health.

Contributor:
John Herschel Project
From:
Henry Anthony Jeffreys
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
Harvard: Houghton AAH 67m-67 (107)
Summary:

Notifies JH that a number of visitors will be coming to the Parsonage.

Contributor:
John Herschel Project
From:
Henry Anthony Jeffreys
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
Harvard: Houghton AAH 67m-67 (63)
Summary:

Thanks JH and Lady Herschel for their kindness to his family [in time of his brother's illness].

Contributor:
John Herschel Project
From:
Henry Anthony Jeffreys
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
Harvard: Houghton AAH 67m-67 (63)
Summary:

Thanks JH for his support.

Contributor:
John Herschel Project
From:
Jesse Piper
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
TxU:H/M-0407.1; Reel 1087
Summary:

Asks JH to loan map to JP.

Contributor:
John Herschel Project
From:
Joseph J. Hart
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
RAS:JH Archive 13/3.94 verso; Reel 10
Summary:

Asks for appointment with JH and directions from Etchingham station [to JH's residence].

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
RS:HS 11.448
Summary:

Is sorry JH did not inform him of the paper he was to read on the astronomical influence on climate. Would like an abstract when published. Would also like a copy of the verses on the great telescope. Encloses a paper of his own.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[Francis Baily?]
Date:
[1840?]
Source of text:
RS:HS 25.14.1
Summary:

A series of 'resolutions to be proposed as fundamental principles for a reform of the Southern constellations.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[Hugh Percy (3rd Duke of Northumberland)]
Date:
[1840 to 1847]
Source of text:
RS:HS 19.164
Summary:

Lady [Pleasance] Smith conveyed Duke of Northumberland's interest in JH's color photographs. Encloses others, and explains use of light-sensitive juices of flowers to produce colors.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[R.S.L. Council]
Date:
[1840?]
Source of text:
RS RR.1.211
Summary:

Reports on William Parson's paper [see RSPT, 130 (1840), 503-] on large mirrors for reflecting telescopes. Suggests omitting comments on William Herschel's mode of polishing, but recommends paper for publication.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[R.S.L. Council]
Date:
[1840?]
Source of text:
RS RR.1.110
Summary:

Reports on and suggests improvements in but recommends publication of a paper [see RSPT, 130 (1840), 325-] by Robert Hunt on iodine's effect in rendering 'argentine paper' sensitive to light and thus useful for photographic purposes.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[R.S.L. Council]
Date:
[1840?]
Source of text:
RS RR.1.3
Summary:

Reports on and enthusiastically recommends for publication G. B. Airy's paper on light polarity [see RSPT, 130 (1840), 225-], which JH believes contains true explanation for phenomenon of spectra bands.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Adolphe Quetelet
Date:
[1840-1]
Source of text:
Académie belgique: #16
Summary:

Herschelian Telescope Song in English and Latin, translated by [T. I. M.?] Forster into Latin. Requiem of 40-foot reflector sung at New Year's Eve 1839-40.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Edward Sabine
Date:
[1840]
Source of text:
RS MM 11.192
Summary:

On what is to happen at the expiration of a three year period assigned for the undertaking of certain magnetic observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[1840?]
Source of text:
RS:HS 25.13.4
Summary:

Having heard that HP had expressed pleasure at some of JH's colored photographs, JH sends some more recent ones.

Contributor:
John Herschel Project