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1840-1849::1841 in date 
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From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[18 March 1841]
Source of text:
RS:HS 17.305a
Summary:

Preparing his calotype paper for publication. Looking for a summer house, somewhere interesting to photograph.

Contributor:
John Herschel Project
From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[19 March 1841]
Source of text:
unknown
Summary:

Considering motion as a 'successive excitement of powers.'

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[20 March 1841]
Source of text:
RS:HS 1.93 (C: RGO 6.340.313)
Summary:

Sending draft of report and appendix. Specimen of a gauging scale.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
22 March [1841]
Source of text:
RS:HS 15.302
Summary:

Discusses proposed temperature experiments involving balloons. Prince Edward Island would be good observatory but funds are lacking. [C. F.] Gauss's article translated for Scientific Memoirs.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[25 March 1841]
Source of text:
TxU:H/M-0627.6
Summary:

A note to accompany additions, comments, and emendations relating to the report of the Standards Commission.

Contributor:
John Herschel Project
From:
James David Forbes
To:
Sir John Herschel
Date:
[26 March 1841]
Source of text:
RS:HS 7.297
Summary:

Sending a notice about the polarization of the sky. Also some practical papers he set at Durham. Has the obelisk ready for shipment to the Cape. Has asked Richard Taylor to send him a copy of his report on Meteorology.

Contributor:
John Herschel Project
From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[31 March 1841]
Source of text:
unknown
Summary:

Lists those who visited CH on her birthday.

Contributor:
John Herschel Project
From:
Macedonio Melloni
To:
Sir John Herschel
Date:
[31 March 1841]
Source of text:
RS:HS 12.319
Summary:

Is about to leave Paris and hopes to receive the meteorological information at Naples. Awaits with impatience JH's work on the rays of light announced in his last letter.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
[4 April 1841]
Source of text:
RS:HS 12.130
Summary:

Measuring work of the base line is virtually completed and levelling of the line will commence forthwith. Has devoted every day to the work except Sundays. Comments on various aspects of the work. F. E. Wilmot wishes he had not returned the rusty dip bar. Obelisk is on board the Romeo.

Contributor:
John Herschel Project
From:
John Gibson Lockhart
To:
Sir John Herschel
Date:
[5 April 1841]
Source of text:
RS:HS 11.305
Summary:

Is delighted at the prospect of JH's article being included in the next number of the Quarterly Review. Is not surprised it will extend to fifty pages, but hopes he will remember the 'general reader.'

Contributor:
John Herschel Project
From:
Francis Baily
To:
Sir John Herschel
Date:
[6 April 1841]
Source of text:
RS:HS 3.202
Summary:

Has communicated JH's remarks to John Arrowsmith. Is sorry for the inconvenience caused.

Contributor:
John Herschel Project
From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[6 April 1841]
Source of text:
RS:HS 17.306a
Summary:

Reports receipt of a communication, which argues that all elements are merely isomers of one substance. Expresses support for such a view.

Contributor:
John Herschel Project
From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[12 April 1841]
Source of text:
TxU:H/M-0684; Reel 1084
Summary:

List of papers JH took from CLH on his 'last visit' to [Hanover]. Miscellaneous notes about relatives and acquaintances.

Contributor:
John Herschel Project
From:
F. M. Eardley-Wilmot
To:
Sir John Herschel
Date:
[15 April 1841]
Source of text:
TxU:H/M-0175; Reel 1087
Summary:

M. F. B. Dausse visited FW several times to study instruments and copy meteorological observations. Dausse urged FW to share these with D. F. J. Arago, who is concerned at delay in publishing survey results. Please notify R.S.L. that Arago's official request will arrive soon. Encloses copy of FW's 15 Apr. 1841 letter to Arago. New rain gauge. Problems with anemometer and dipping needle. Will visit Cape Agulhas with Thomas Maclear to make magnetic observations.

Contributor:
John Herschel Project
From:
Francis Baily
To:
Sir John Herschel
Date:
[15 April 1841]
Source of text:
RS:HS 3.204
Summary:

John Arrowsmith has undertaken to make further copies of the star maps on dry paper, free of charge.

Contributor:
John Herschel Project
From:
William Whewell
To:
Sir John Herschel
Date:
[20 April 1841]
Source of text:
RS:HS 18.194
Summary:

Will be pleased to be godfather of JH's new daughter. Pleased also that JH is reviewing his [Philosophy of the Inductive Sciences]. Presents an argument to support his a prioristic view of the nature of science.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[24 April 1841]
Source of text:
RS:HS 15.127
Summary:

Forwards request of the Secretary of the Treasury for justification of public monies for expenses incurred for magnetic and meteorological observations of the Antarctic expedition. Brief note from JH should suffice for House approval. Note should mention G. B. Airy's request concerning the reduction of the Greenwich lunar and planetary observations and Francis Beaufort's concerning navigation. ES promoted to Lieutenant Colonel.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[28 April 1841]
Source of text:
RS:HS 15.129
Summary:

Quotes passage from C. E. Trevelyan (Treasury Office) to [Hussey] Vivian concerning the number of copies of published data and the number of magnetic observatories. Requests JH's perusal and advice. Includes letter from [A. T.] Kupffer on latest observations.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[1 May 1841]
Source of text:
RS:HS 15.130
Summary:

Relates discussion with [Hussey] Vivian on magnetic survey of Africa and Treasury support thereof. Discusses administration of various stations.

Contributor:
John Herschel Project
From:
Robert Treat Paine
To:
Sir John Herschel
Date:
[1 May 1841]
Source of text:
RS:HS 13.214
Summary:

Sends pamphlet for JH from Philadelphia. Author [E. P.] Mason died at the early age of 22. Believes he used a Herschelian telescope. Has been a mild winter in Boston.

Contributor:
John Herschel Project
Document type
Repository
Transcription available