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Herschel9656

From:
Thomas Galloway
To:
Sir John Herschel
Date:
[22 April 1839]
Source of text:
RS:HS 8.6
Summary:

Forwarding Thomas Maclear's paper on N. L. Lacaille's Stations for JH's Report. Would he also mark any unnecessary passages or drawings.

Contributor:
John Herschel Project
Text Online

Faraday1165

From:
Charles Hudson
To:
Michael Faraday
Date:
23 April 1839
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project
Text Online

Faraday1165a

From:
Michael Faraday
To:
John Yonge Akerman
Date:
25 April 1839
Source of text:
RI MS
Summary:

No summary available.

Contributor:
Faraday Project

DCP-LETT-507

From:
Charles Robert Darwin
To:
Société géologique de France
Date:
25 Apr 1839
Source of text:
Bibliothèque municipale de Versailles (Autographe Darwin)
Summary:

Acknowledges, on behalf of the Geological Society, receipt of the Bulletin de la Société Géologique de France, vol. 9, feuilles 29, 34.

Contributor:
Darwin Correspondence Project

Herschel12307

From:
Hans Christian Oersted
To:
Sir John Herschel
Date:
[26 April 1839]
Source of text:
RS:HS 13.163
Summary:

This letter will be delivered by Prof. [C. A.?] Jensen of the Royal Danish Academy of Fine Arts, a distinguished painter. Would like him to paint a portrait of JH if agreeable.

Contributor:
John Herschel Project

Herschel14078

From:
Thomas Best Jervis
To:
Sir John Herschel
Date:
26 April [1839]
Source of text:
TxU:H/M-0298.1; Reel 1087
Summary:

In R.S.L.'s request to H.E.I.C. court of directors for support for magnetic survey in India, Lord Northampton omitted to stress need for training TJ and other officers in use of special instruments.

Contributor:
John Herschel Project

Herschel4253

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[26 April 1839]
Source of text:
RS:HS 16.266
Summary:

Wants to know if JH has a larger telescope in operation; if so, will he confirm some observations. Asks JH to recommend an epoch.

Contributor:
John Herschel Project

DCP-LETT-496F

From:
Charles Robert Darwin
To:
William Lonsdale
Date:
[27 Apr 1839 or earlier]
Source of text:
University Archives (dealers) (3 March 2021, lot 73)
Summary:

Returns Whewell’s presidential address to the Geological Society of London (Whewell 1839), and suggests that ‘rules’ be changed to ‘customs’.

Contributor:
Darwin Correspondence Project
Text Online

Faraday1165b

From:
Michael Faraday
To:
Thomas Carter Galpin
Date:
27 April 1839
Source of text:
RI MS
Summary:

No summary available.

Contributor:
Faraday Project

Herschel8820

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[27 April 1839]
Source of text:
Science Museum Talbt 1/17 (draft 'altered': RS:HS 17.293a & C: RS:HS 22.12)
Summary:

JH reports his discovery of a highly sensitive paper. Tint continues to deepen with time, as bromine does not. Not prepared to reveal process at present. Is off to Paris.

Contributor:
John Herschel Project

Herschel1345

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[27 April 1839]
Source of text:
RS:HS 17.293
Summary:

More photography comments. Problems with use of hyposulfite fixer. Superiority of English over Daguerreotype in being able to make copies.

Contributor:
John Herschel Project

Herschel6033

From:
Sir John Herschel
To:
Francis Baily
Date:
[28 April 1839]
Source of text:
RS:HS 3.158 (C: RS:HS 25.8.20)
Summary:

On the variability of the star Alpha Cassiopeia.

Contributor:
John Herschel Project

Herschel6034

From:
Sir John Herschel
To:
Francis Baily
Date:
[28 April 1839]
Source of text:
RS:HS 3.159 (C: RS:HS 25.8.19)
Summary:

Has marked Thomas Maclear's paper and returned it to Thomas Galloway.

Contributor:
John Herschel Project

Herschel14079

From:
Sir John Herschel
To:
Thomas Best Jervis
Date:
[28 April 1839]
Source of text:
TxU:H/M-0298.2; Reel 1087
Summary:

Let India Board move at its own pace, and do not call on Lord Northampton. JH will write privately to 'Major J.' to suggest proper training for appointed observers.

Contributor:
John Herschel Project

Herschel4470

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[28 April 1839]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Sends Michael Faraday's analysis of TM's meteorite specimen. Cape Observatory will receive theodolite and sidereal telescopes. Government orders Antarctic Magnetico-Explorative Expedition. JH's photography work results in unfixed images. Will report on TM's paper concerning the [N. L.] Lacaille's Stations.

Contributor:
John Herschel Project

Herschel1492

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[28 April 1839]
Source of text:
APS B.Sm98.17 (C: RS:HS 22.13)
Summary:

Does not have operational telescope. Suggests WS set 1840 as epoch.

Contributor:
John Herschel Project
Text Online

Faraday1166

From:
William Snow Harris
To:
Michael Faraday
Date:
28 April 1839
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project
Text Online

Faraday1167

From:
Joseph Hume
To:
Michael Faraday
Date:
29 April 1839
Source of text:
RI MS F1 I018
Summary:

No summary available.

Contributor:
Faraday Project

Herschel3663

From:
Sir John Herschel
To:
Richard Sheepshanks
Date:
[29 April 1839]
Source of text:
RS:HS 16.5 (C: RS:HS 25.9.2)
Summary:

Discusses arrangements for the printing of a portrait of JH in some copies of a forthcoming volume [JH's Cape Results].

Contributor:
John Herschel Project
Text Online

Faraday1168

From:
William Wyon
To:
Michael Faraday
Date:
29 April 1839
Source of text:
RI MS F1 I114
Summary:

No summary available.

Contributor:
Faraday Project
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