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Herschel, John in correspondent 
1840-1849::1840 in date 
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From:
Sir John Herschel
To:
Thomas Maclear
Date:
[16 March 1840]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Four appointed directors sent to Cape schools. Will leave Slough in two weeks for Collingwood. Laid William Herschel's telescope to rest at Slough.

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:
John Phillips
Date:
[17 December 1840]
Source of text:
RS:HS 22.73
Summary:

Requests JP send JH's projected barometer observation to W. R. Birt.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John Taylor, F.R.S.
Date:
[17 January 1840]
Source of text:
RS:HS 17.427b (C: RS:HS 22.37)
Summary:

Requests aid in obtaining materials for experiments, including metal ores.

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:
George Biddell Airy
Date:
[30 October 1840]
Source of text:
RGO 6.340.284
Summary:

Is sending comments on GA's proposals [see GA's 1840-10-13]; JH has been asked about obtaining a heliometer from Munich; seeks GA's opinion on the quality of the brass workmanship in Munich.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[30 October 1840]
Source of text:
RGO 6.340.286
Summary:

Provides detailed comments on GA's circulated material on standards [see JH's 1840-10-30]; tends toward maintaining basic units but finding decimal relationships between them.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[10 January 1840]
Source of text:
RS:HS 2.295
Summary:

Regarding communications from Paddington. Gives verses written in honor of the 40-foot telescope. Has some strange results in photographic work.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[4 January 1840]
Source of text:
RS:HS 3.172 (C: RS:HS 25.8.25)
Summary:

Will be pleased to avail himself of the offer of a bed when the council meets. Will prepare a paper on Alpha Orionis for the Friday meeting. Can FB give him any ideas for the Anniversary address?

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[9 February 1840]
Source of text:
RS:HS 22.42
Summary:

Will attend R.A.S council and stay with FB; question of expulsion of three members.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
14] April [1840
Source of text:
RS:HS 3.180 (C: RS:HS 25.8.26)
Summary:

Received a 5-ft. Newtonian reflector from JH's aunt Caroline; is offering it to the R.A.S. JH is on the verge of moving to Collingwood.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[6 May 1840]
Source of text:
RS:HS 3.182 (C: RS:HS 25.8.27)
Summary:

Would FB deputize for him at the council meeting on Friday as he is unable to attend. Letter from F. W. Bessel regarding 61 Cygni. Has written to G. B. Airy regarding Thomas Maclear's paper.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[8 June 1840]
Source of text:
RS:HS 3.183 (C: RS:HS 25.8.28)
Summary:

Invitation to Hawkhurst. Has plenty of R.S.L. work to keep him from his observational work. Question of a new observatory. Has had letter from Wilhelm Struve regarding the fifteen-inch object glass.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[8 November 1840]
Source of text:
RS:HS 3.185 (C: RS:HS 25.8.29)
Summary:

Encloses observations on a comet by Carl Bremiker for the next meeting of the R.A.S. Will be unable to attend many of the meetings for this session. F. W. Bessel has lost his only son. C. F. Gauss's researches into the motion of the sun.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[23 November 1840]
Source of text:
RS:HS 3.188-9 (C: RS:HS 25.8.30)
Summary:

Regarding the award of the Royal Medal of the R.S.L. Is unable to come to town. Regarding the appointment of visitors to the Royal Observatory. Is preparing a paper on celestial reform.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[10 December 1840]
Source of text:
RS:HS 3.193 (C: RS:HS 25.8.31)
Summary:

Regarding the arrangement of the constellations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[30 December 1840]
Source of text:
RS:HS 3.195 (C: RS:HS 25.8.32)
Summary:

Giving news of his own recent work on the grouping of the constellations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Spencer J. A. Compton
Date:
1840-7
Source of text:
RS:HS 22.74
Summary:

Organizational matters relating to sending two vessels on an Antarctic expedition.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[26 June 1840]
Source of text:
RS:HS 22.55
Summary:

Thanks AD for a correction in one of JH's writings; tries to explain the partial echo that occurs when blowing across the end of an open pipe.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Wallace
Date:
[16 December 1840]
Source of text:
RS:HS 22.72
Summary:

Gratified by WW's volume. Recalls JH's catenary theorems. Writes function to complete theory of exponential transcendents. WW's applications have greater practical bearing than JH's early efforts, which JH now finds difficult to decipher. Sorry that WW declared Mr. Gilbert's tables defective.

Contributor:
John Herschel Project
Document type
Transcription available