Search: 1840-1849::1849::03 in date 
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Herschel139

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[30 March 1849]
Source of text:
RGO 6.694.251
Summary:

Will reconsider the proposal about printing observations [see JH's 1849-3-29], and get back to JH.

Contributor:
John Herschel Project

Herschel14085

From:
John Johnstone
To:
Sir John Herschel
Date:
[8 March 1849]
Source of text:
TxU:H/M-0304; Reel 1087
Summary:

Sends sample of photographic lenses ground by JJ. Asks JH for formula of curvature to admit more light.

Contributor:
John Herschel Project

Herschel1611

From:
Richard Sheepshanks
To:
Sir John Herschel
Date:
[4 March 1849]
Source of text:
RS:HS 16.96
Summary:

Shall send a catalogue of double stars observed by [W. S.] Jacob. Gives some information about several measurements to establish standards.

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

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

Herschel336

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[30 March 1849]
Source of text:
RGO 6.465.27
Summary:

Has little advice to offer JH about time calculation [see JH's 1849-3-29], except for fairly standard reminders.

Contributor:
John Herschel Project

Herschel4826

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[7 March 1849]
Source of text:
RS:HS 1.215 (C: RGO 6.160.77)
Summary:

Regarding the 'chilled' casting of a telescope.

Contributor:
John Herschel Project

Herschel6517

From:
Spencer J. A. Compton
To:
Sir John Herschel
Date:
[17 March 1849]
Source of text:
RS:HS 5.276
Summary:

It is now time that they speak to John Russell (1st Earl Russell) concerning [Francis?] Ronald[s]. Would next Friday suit him?

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

Herschel6991

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[3 March 1849]
Source of text:
RS:HS 6.250
Summary:

Finds that some of the pages from the paper JH recently sent him are missing. Please send if he still has them. H. P. Brougham (Baron Brougham and Vaux) does not mean to attack the undulating theory. Regarding solar spots and the surface of the moon.

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

Herschel6993

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[18 March 1849]
Source of text:
RS:HS 6.251
Summary:

Regarding the early history of the calendar. Comments on the various versions.

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

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

Herschel6997

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[27 March 1849]
Source of text:
RS:HS 6.252
Summary:

Has received three packets, dated and initialed. Further comments regarding Julius Caesar and the calendar.

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

Herschel7935

From:
Maximilian Weisse
To:
Sir John Herschel
Date:
[26 March 1849]
Source of text:
RS:HS 18.138
Summary:

Thanks JH for Cape Results sent through [F. G. W.] Struve. Further grateful for the N. L. Lacaille and Jérôme Lalande works sent to the observatory. Appreciates reduction of the moon results as well as the magnetic observation of 1845. Reveals new development in double star zones[?]. Comments on making magnetic observations.

Contributor:
John Herschel Project

Herschel8401

From:
William King
To:
Sir John Herschel
Date:
[25 March 1849]
Source of text:
RS:HS 19.286
Summary:

Delay in printing WK's meteorology paper.

Contributor:
John Herschel Project

Herschel8855

From:
William Cranch Bond
To:
Sir John Herschel
Date:
[2 March 1849]
Source of text:
Univ. of London Library
Summary:

Expresses appreciation for being elected an associate of the R.A.S.

Contributor:
John Herschel Project
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