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1840-1849::1840::01 in date 
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From:
Sir John Herschel
To:
Edward Belfour
Date:
[30 January 1840]
Source of text:
WT 91800.3
Summary:

Declines the invitation to the annual Hunterian Oration and dinner. Now that JH is moving even farther away from London, he feels he must reluctantly resign as a member of the Trustees of the Hunterian Collection.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Roderick Impey Murchison
Date:
[1840 to 1846]
Source of text:
WT 67430.1
Summary:

Did not vote for RM's friend at the R.S.L. because JH missed the meeting. JH will also miss the next meeting of the Geological Society, as he is returning to Collingwood.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Mr. Wagner
Date:
[1840 or earlier]
Source of text:
DMC 695A.885.15
Summary:

Invites Mr. Wagner at Eton to bring his pupils to Slough to observe an occultation [of Jupiter by the moon?].

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:
Edward Sabine
To:
Sir John Herschel
Date:
[8 January 1840]
Source of text:
RS:HS 15.79
Summary:

Sends the corrections of the Meteorological Instructions to JH. Presents a new plan for recording data.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[17 January 1840]
Source of text:
RS:HS 15.80
Summary:

Discusses corrections and title page of a report. Discusses the damage to Charles Riddell's instruments.

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:
William Simms
To:
Sir John Herschel
Date:
[27 January 1840]
Source of text:
RS:HS 17.206
Summary:

Instruments JH referred to may not be best for JH's purposes.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Recipients of Report of R.S.L. Joint Committee of Physics and Meteorology
Date:
[1840]
Source of text:
RS MM 11.190
Summary:

Letter designed to accompany report of R.S.L. Joint Committee of Physics and Meteorology. Discusses plans for magnetic observatories and for James Ross's expedition.

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:
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:
John William Lubbock
Date:
[1840]
Source of text:
RS MM 11.191
Summary:

On the 'misfortunes & mishaps' of the Aden magnetic observatory and on the proper care of magnetical instruments.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[12 January 1840]
Source of text:
TCD 1493:184
Summary:

Notice on the 'final laying up' of the Old Telescope, with a 'Requiem of the Forty-Foot Reflector,' sung by JH's family on New Year's Eve.

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:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[18 January 1840]
Source of text:
unknown
Summary:

Confides that the past year has been 'a sombre one ... but not unhappy.'

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[24 January 1840]
Source of text:
RGO 6.192.395
Summary:

A note, sent with the manuscript papers of Stephen Groombridge, to JH as President of the R.A.S.

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