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1840-1849 in date 
Herschel, John in author 
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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
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:
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:
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:
Richard Jones
Date:
[1840 to 1855]
Source of text:
TxU:H/L-0206; Reel 1054
Summary:

Sorry that JH missed RJ at W. H. Fitton's. Offers proposal to modify property taxation procedures to yield 'taxation by payments downward' and to decrease load on poorer classes.

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:
Unidentified
Date:
[1840 to 1841]
Source of text:
TxU:H/M-0407.2; Reel 1087
Summary:

Note on diurnal changes in [magnetic] variation at St. Helena and on estimated cost (£950) of observatory at St. Helena.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[4 January 1840]
Source of text:
RS:HS 3.172 (C: RS:HS 25.8.25)
Summary:

Will be pleased to avail himself of the offer of a bed when the council meets. Will prepare a paper on Alpha Orionis for the Friday meeting. Can FB give him any ideas for the Anniversary address?

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[10 January 1840]
Source of text:
RS:HS 2.295
Summary:

Regarding communications from Paddington. Gives verses written in honor of the 40-foot telescope. Has some strange results in photographic work.

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:
William Whewell
Date:
[13 January 1840]
Source of text:
TC, Camb. Add. Ms.a.20742
Summary:

On 1 Jan. 1840, JH's family laid William Herschel's 40-foot reflector to rest by singing a song (enclosed). Mentions Hammerfest instruments.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John Taylor, F.R.S.
Date:
[17 January 1840]
Source of text:
RS:HS 17.427b (C: RS:HS 22.37)
Summary:

Requests aid in obtaining materials for experiments, including metal ores.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Philip Melvill
Date:
[22 January 1840]
Source of text:
RS:HS 13.34 & 22.38
Summary:

Returns, with many thanks, the report of George Everest. Gives adverse comment on the alterations that Everest has made to some of the instruments.

Contributor:
John Herschel Project