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1840-1849::1849::03 in date 
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Herschel13020

From:
Sir John Herschel
To:
[James Calder] Stewart
Date:
[4 March 1849]
Source of text:
TxU:H/L-0433; Reel 1055
Summary:

Received news today of JS's arrival in Bombay. Describes conflict as 'Armageddon.' Family news. John Stewart returned from China and leaves soon to meet Matilda [Grahame] in Paris. [Richard] Jones's concern for JS is genuine. Eneas Mackintosh obtained cadetship for JH's son John at Addiscombe.

Contributor:
John Herschel Project

Herschel6992

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[7 March 1849]
Source of text:
RS:HS 23.59
Summary:

On return of a paper, and approval of AD's method of resolving fractions.

Contributor:
John Herschel Project

Herschel12

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[8 March 1849]
Source of text:
RGO 6.160.78
Summary:

Tells GA about the internal counterpoise system in use in some German telescope mountings, and includes a diagram; JH knows nothing about chilling speculum metal [see GA's 1849-3-7].

Contributor:
John Herschel Project

Herschel1612

From:
Sir John Herschel
To:
Richard Sheepshanks
Date:
[9 March 1849]
Source of text:
RS:HS 16.97 (C: RS:HS 25.9.61)
Summary:

About an astronomer for the Madras observatory. Suggests ways to reduce glare and so improve measurements [see RS's 1849-3-4].

Contributor:
John Herschel Project

Herschel6518

From:
Sir John Herschel
To:
Spencer J. A. Compton
Date:
[19 March 1849]
Source of text:
RS:HS 23.60
Summary:

Arrangements about JH coming to London to go with SC to see John Russell (1st Earl Russell) [see SC's 1849-3-17].

Contributor:
John Herschel Project

Herschel11298

From:
Sir John Herschel
To:
Urbain J. J. Leverrier
Date:
[19 March 1849]
Source of text:
RS:HS 11.202 & 23.61
Summary:

Has just been able to consult Sir William Herschel's papers. Regarding Yvon Villarceau's method of measuring the orbits. May be like his own, which he briefly outlines.

Contributor:
John Herschel Project

Herschel6994

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[25 March 1849]
Source of text:
RS:HS 23.62
Summary:

Sends AD part of JH's paper on double stars; concerned about AD's dating it on arrival.

Contributor:
John Herschel Project

Herschel11300

From:
Sir John Herschel
To:
Urbain J. J. Leverrier
Date:
[25 March 1849]
Source of text:
RS:HS 11.204
Summary:

Found his letter on return from London. Would be pleased for UL to submit part of his letter of 19 Mar. to the Institute. Further comments on part of this letter.

Contributor:
John Herschel Project

Herschel6995

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[26 March 1849]
Source of text:
RS:HS 23.63
Summary:

Another part of JH's double star paper; question of priority between JH and Yvon Villarceau.

Contributor:
John Herschel Project

Herschel6996

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[26 March 1849]
Source of text:
RS:HS 23.64
Summary:

Correction to JH's paper on double stars [see JH's 1849-3-26 & 1849-3-25].

Contributor:
John Herschel Project

Herschel6998

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[27 March 1849]
Source of text:
RS:HS 23.65
Summary:

Correction to paper on double stars following up JH's 1849-3-26; a terrible pun sent on by JH's wife, Margaret.

Contributor:
John Herschel Project

Herschel138

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 March 1849]
Source of text:
RGO 6.694.250
Summary:

Some concerns about GA's intent of attaching magnetic and meteorological observations to the R.A.S.'s Astronomical Observations [see GA's 1849-3-28].

Contributor:
John Herschel Project

Herschel335

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 March 1849]
Source of text:
RGO 6.465.26
Summary:

Asks GA if he knows of any rules or pitfalls in calculating time from earlier times [even B.C.] to the present.

Contributor:
John Herschel Project
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