Search: Herschel, John in author 
1830-1839::1839::08 in date 
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Herschel1526

From:
Sir John Herschel
To:
Francis Beaufort
Date:
[1 August 1839]
Source of text:
APS B.H435p.11
Summary:

Agrees with FB and others about the need for adequately trained men to be sent out to remeasure N. L. Lacaille's arc.

Contributor:
John Herschel Project

Herschel56

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[1 August 1839]
Source of text:
RGO 6.368.622
Summary:

Sympathizes with GA in the family sorrow [deaths of GA's sons Arthur and George]; JH complains that house hunting, and other matters, are keeping him from important work.

Contributor:
John Herschel Project

Herschel1884

From:
Sir John Herschel
To:
Louis Daguerre
Date:
[1 August 1839]
Source of text:
WT 67390.2
Summary:

On behalf of the Council of the R.S.L., JH writes to LD to request a camera and a hundred plates of Daguerre's about to be announced process, so that the R. S. L. may equip the James Ross expedition to the Antarctic with the means of making a photographic record of the voyage.

Contributor:
John Herschel Project

Herschel7394

From:
Sir John Herschel
To:
Mr. Neve
Date:
[1839-8 or later]
Source of text:
RAS:JH Archive 4/11.35 verso; Reel 7
Summary:

As agent for Sarah Collingwood's property, JH requests receipts for 'tithe and modus' of Moorhouse property, to protect from overpayment to 'Mr. Morrel,' whose past collections were 'irregular.' [JH annotation: Not sent.]

Contributor:
John Herschel Project

Herschel6500

From:
Sir John Herschel
To:
Spencer J. A. Compton
Date:
[1 August 1839]
Source of text:
RS:HS 22.22
Summary:

Problem of resolution of R.S.L. Council not transmitted to SC.

Contributor:
John Herschel Project

Herschel11587

From:
Sir John Herschel
To:
John William Lubbock
Date:
[4 August 1839]
Source of text:
RS:HS 22.23
Summary:

Asks JL to take on the preparations for the magnetic observations, including the instructing of ships' personnel.

Contributor:
John Herschel Project

Herschel3988

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[7 August 1839]
Source of text:
TxU:H/L-0584.5.a; Reel 1058
Summary:

The 20-ft. reflecting telescope used at Cape Town was delivered safely to Slough.

Contributor:
John Herschel Project

Herschel11588

From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
[7 August 1839]
Source of text:
RS:HS 22.25
Summary:

About times at which magnetic observations should be made at each observation station.

Contributor:
John Herschel Project

Herschel9107

From:
Sir John Herschel
To:
William Whewell
Date:
[7 August 1839]
Source of text:
TC, Camb. Add. Ms.a.20740 (C: RS:HS 22.24)
Summary:

WW, JH, and George Peacock must prepare a report for the B.A.A.S. on the magnetic expedition and observations; offers to draft it. Laments great loss of time in working on their committee. Is involved in buying a house in Hawkhurst.

Contributor:
John Herschel Project

Herschel6035

From:
Sir John Herschel
To:
Francis Baily
Date:
[12 August 1839]
Source of text:
RS:HS 3.160 (C: RS:HS 25.8.21)
Summary:

Has had a letter from [John?] Phillips regarding star nomenclature revision. The display of meteors on the 10th was very fine.

Contributor:
John Herschel Project

Herschel13657

From:
Sir John Herschel
To:
John Phillips
Date:
[17 August 1839]
Source of text:
TxU:H/M-0039.2; Reel 1062
Summary:

Report to B.A.A.S. on progress and expenses in reduction of stars in N. L. Lacaille's Coelum australe stelliferum.

Contributor:
John Herschel Project

Herschel4387

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

F. E. Wilmot arrives in Cape Town for direction of the Magnetic Observatory.

Contributor:
John Herschel Project

Herschel1064

From:
Sir John Herschel
To:
John Lindley
Date:
[26 August 1839]
Source of text:
RS:HS 25.5.15
Summary:

In response to a request, JH provides such details as he can about atmospheric and ground temperatures at the Cape; JH goes on to describe how his flowers brought from the Cape are doing.

Contributor:
John Herschel Project

Herschel1065

From:
Sir John Herschel
To:
[William Whewell]
Date:
[28 August 1839]
Source of text:
RS:HS 25.5.16
Summary:

Wishes to have mentioned to the Physical Section of the B.A.A.S. that JH has discovered that the extreme red rays [infra-red?] of the sun do not darken photographic paper, but tend to whiten it.

Contributor:
John Herschel Project

Herschel8877

From:
Sir John Herschel
To:
William Whewell
Date:
[28 August 1839]
Source of text:
B.A.A.S. Report for 1839 (1840), pt. 2, 9-11 & Athenaeum, #621 (Sept. 21, 1839)
Summary:

Reports to the B.A.A.S. [through WW as section president] on experiments JH has conducted concerning the photochemical effects of the rays at the far red end of the spectrum.

Contributor:
John Herschel Project
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