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1840-1849 in date 
Herschel, John in author 
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From:
Sir John Herschel
To:
Spencer J. A. Compton
Date:
[9 July 1840]
Source of text:
TxU:H/L-0284; Reel 1054 (C: RS:HS 22.58)
Summary:

Has called special meeting of Physical Committee to discuss SC's response to R.S.L.'s proposal to establish permanent observatory. Expresses JH's opinion and recommends temporary observatory instead. Keep this issue separate from funding for publication of present observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[13 July 1840]
Source of text:
RS:HS 22.59
Summary:

Apologizes for not having written, but has been 'harassed with desultory and importunate calls on [his] name.' Commends WS on accomplishments at Pulkowa and performance of Repsold instruments. Congratulates WS on his son Otto Struve. Received WS's figures on Halley's Comet. Comments on bright stars of variable nature. Estimates 35 or 36 magnetic observatories in the world.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Radcliffe Birt
Date:
[18 July 1840]
Source of text:
RS:HS 19.81
Summary:

L. A. J. Quetelet's observations follow centigrade thermometer and French meter. Latitude and longitude for five sites. Three sites are unknown to JH. Hopes WB completes [reduction of barometer observations] before B.A.A.S. meeting.

Contributor:
John Herschel Project
From:
John Frederick William Herschel
To:
John Herschel
Date:
20 July 1840
Source of text:
MM/16/144, Royal Society
Summary:

No summary available.

Contributor:
Royal Society
From:
Sir John Herschel
To:
William Radcliffe Birt
Date:
[24 July 1840]
Source of text:
RS:HS 19.82
Summary:

Advice on how to project barometric observations onto curves.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 July 1840]
Source of text:
RGO 6.340.281
Summary:

Responds to GA's circulated material for the Standards Commission; suggests time to digest the information.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[1840-8?]
Source of text:
RS:HS 19.165
Summary:

Must report progress of meteorological reductions to B.A.A.S. Send specimen of 'Curves' before first week in September. Gives latitudes and longitudes for North American stations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
1840-8
Source of text:
TxU:H/L-0585.8.a; Reel 1058
Summary:

Reports that there is no bust of William Herschel at the R.S.L., as JH once believed.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Henry Bunbury
Date:
[1 August 1840]
Source of text:
DMC 695A.885.5
Summary:

Requests documents about the disagreement between George Napier and Andries Stockenström, which developed at the Cape. In the course of this request, JH expresses his feelings on the matter.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[6 August 1840]
Source of text:
TC, Camb. Add. Ms.a.20745 (C: RS:HS 22.61)
Summary:

Asks WW to write letters of introduction for [James] Innes, an educator from the Cape. Comments on WW's Philosophy of the Inductive Sciences, expressing reservations about its a prioristic approach.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[10 August 1840]
Source of text:
TxU:H/L-0585.7; Reel 1058
Summary:

JH has given away his sweeping telescope to [Johann] Hausmann and the 5-ft. Newtonian reflector to the R.A.S. to be preserved 'long after I and all the little ones are dead and gone.' The skies have been excellent for JH to observe variable stars and to connect the northern with the southern magnitudes. Proved that Alpha Orionis is both a variable star and a periodical star.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James David Forbes
Date:
[10 August 1840]
Source of text:
St. Andrews 42 (C: RS:HS 22.62)
Summary:

Explains efforts at using a makeshift apparatus for 'fixing the spectrum.' Discusses current confusion and ultimate hope surrounding JF's meteorological recommendations. In a postscript, notes observations of meteors in Persei.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[Henry Bunbury]
Date:
[13 August 1840]
Source of text:
WT 67624.75 (C: RS:HS 5.122 &22.63)
Summary:

Returns papers dealing with the treatment of Andries Stockenström by Sir George Napier.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[14 August 1840]
Source of text:
RGO 6.693.96
Summary:

Provides information [see GA's 1840-8-13] based on equipping the Breslau Observatory; also comments on lawyers, meteor showers, and photography.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Thomas Napier
Date:
1840-[8-14 or earlie
Source of text:
RS:HS 22.75
Summary:

Is trying to reduce the ill feeling between GN and Andries Stockenström relating to the governing of the Cape colony; JH feels hampered by limited information.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
[14 August 1840]
Source of text:
RS:HS 22.64
Summary:

G. B. Airy needs HL to send him the information used to set up colonial magnetic observatories.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Thomas Napier
Date:
[15 August 1840]
Source of text:
RS:HS 19.83 (C: RS:HS 22.75)
Summary:

Conduct of GN [governor at Cape of Good Hope, 1837-43] toward Andries Stockenström was unimpeachable. Stockenström's letters to JH show favorable view of GN. GN was not responsible for Stockenström's removal.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Andries Stockenström
Date:
[17 August 1840]
Source of text:
RS:HS 17.25 (C: 22.66)
Summary:

Congratulates AS on AS being made baronet; wishes him well on re-joining his family at the Cape. Hopes that the problems between AS and Governor George Napier were due only to 'incompatibility of positions.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Robert Hunt
Date:
[17 August 1840]
Source of text:
RS:HS B26.68
Summary:

Thanks RH for a sample of Daguerreotype paper. Comments on some aspects of the action of 'thermic' rays and 'chemical' rays in photography.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Edward C. Herrick
Date:
[27 August 1840]
Source of text:
Yale Univ.
Summary:

Acknowledges receipt of meteorological observations from EH. P.S. [dated 1840-8-28] reports on August meteor showers observed by JH.

Contributor:
John Herschel Project