Search: Herschel, John in author 
John Herschel Project in contributor 
Herschel, John in correspondent 
1840-1849::1841 in date 
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Showing 81–100 of 110 items

Herschel8283

From:
Sir John Herschel
To:
William Radcliffe Birt
Date:
[4 June 1841]
Source of text:
RS:HS 19.90
Summary:

Received WB's report on barometer observations. Admires perfect finish of work.

Contributor:
John Herschel Project

Herschel8284

From:
Sir John Herschel
To:
William Radcliffe Birt
Date:
[19 July 1841]
Source of text:
RS:HS 19.91
Summary:

Fully examined WB's report [on barometer observations]. Agrees to combine British and Continental observations. Curves clearly show atmospheric processes. Likes WB's suggestion of tracing atmospheric wave beyond 24 hours; will propose this to B.A.A.S. Irregularity of Asiatic and South African data.

Contributor:
John Herschel Project

Herschel8285

From:
Sir John Herschel
To:
William Radcliffe Birt
Date:
[26 July 1841]
Source of text:
RS:HS 19.92
Summary:

Cambridge barometer observations. Postponed WB's detailed report until 1842 B.A.A.S. meeting. This year JH will report generally on atmospheric curves and WB's notes. Hopes WB will attend to give explanations.

Contributor:
John Herschel Project

Herschel8288

From:
Sir John Herschel
To:
Mrs. Gregory
Date:
1841-10
Source of text:
RS:HS 19.93c (C: RS:HS 22.99)
Summary:

A testimonial on behalf of Olinthus Gilbert Gregory, deceased, to assist Mrs. Gregory in obtaining a Civil List pension.

Contributor:
John Herschel Project

Herschel8289

From:
Sir John Herschel
To:
William Radcliffe Birt
Date:
[1 December 1841]
Source of text:
RS:HS 19.94
Summary:

Heard of WB's bout with typhus. Interest in atmospheric waves should ensure publication of WB's article in Athenaeum. Will write editor on WB's behalf. Awaits completion of atmospheric curves for B.A.A.S. Congratulations on recently acquired office.

Contributor:
John Herschel Project

Herschel836

From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[11 February 1841]
Source of text:
JHS 3.21e
Summary:

It will be difficult for JH to get away to Collingwood as planned as discussions [?] are slow; some family news.

Contributor:
John Herschel Project

Herschel8367

From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[1841-2?]
Source of text:
RS:HS 19.166
Summary:

Explains 'discordances' as contraction of damp paper. Use 'Engraved Squares' to avoid this error. Possible error in barometer observations from Montreal. Diurnal 'undulation' appearing in data. American observations arrived, may fill 'missing intervals.' Keep record of expenses incurred. Postscript on color variation in stars.

Contributor:
John Herschel Project

Herschel8368

From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[1841-3?]
Source of text:
RS:HS 19.167
Summary:

Received WB's packet. Will send sheets tomorrow. Needs all 'Curves and data' before end of March for final report to B.A.A.S. JH's nerves 'shattered with night work.'

Contributor:
John Herschel Project

Herschel8370

From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[1841-1?]
Source of text:
RS:HS 19.169
Summary:

[WB's] sheets [of barometer observations] are well done. Sends European latitudes and longitudes. Will send 'Engraved Squares' soon. Notes errors in observations.

Contributor:
John Herschel Project

Herschel846

From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[1841]
Source of text:
JHS 3.21d
Summary:

Compliments MH on her poetry; JH is trying to clarify when various friends are to visit Collingwood.

Contributor:
John Herschel Project

Herschel8617

From:
Sir John Herschel
To:
Julian Jackson
Date:
[5 February 1841]
Source of text:
Royal Geographical Society
Summary:

A portable magnetometer purchased by the B.A.A.S. is now available as a loan for use in magnetic survey of British Guyana.

Contributor:
John Herschel Project

Herschel8633

From:
Sir John Herschel
To:
Julia Margaret Cameron
Date:
[28 June 1841]
Source of text:
Getty Center
Summary:

[Composite letter written by JH, Margaret Herschel, and their daughter Caroline.] JH sends thanks to JC for gifts for the children and also sends JC some specimens of photography.

Contributor:
John Herschel Project

Herschel8645

From:
Sir John Herschel
To:
Peter Mark Roget
Date:
[23 February 1841]
Source of text:
Lion Heart Autographs
Summary:

Notes interest expressed by Macedonio Melloni in meteorological observations. Urges that R.S.L. Council give its attention to the mass of meteorological observations that have accumulated.

Contributor:
John Herschel Project

Herschel8831

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[16 March 1841]
Source of text:
Science Museum Talbt 1/28
Summary:

Praises WT for invention of 'Kalotype' process; predicts it will be called 'Talbotype.' Notes excellence for photography of the weather during past year. Mentions possibility of cases of excessively rapid photographic change.

Contributor:
John Herschel Project

Herschel8832

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[22 March 1841]
Source of text:
Science Museum Talbt 1/29 (C: RS:HS 17.304b & 22.81) Buckland, Talbot, 66 inc
Summary:

Congratulates WT on the calotype invention and the patent. Responds at some length to WT's concerns about the infinity of the universe. In postscript, provides a 4-page dialogue on the subject.

Contributor:
John Herschel Project

Herschel8833

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[25 March 1841]
Source of text:
Science Museum Talbt 1/30 (C: RS:HS 17.305b & RS:HS 22.82)
Summary:

A further two dialogues elaborating on JH's earlier arguments [see JH's 1841-3-18] on the infinity/finitude of the universe.

Contributor:
John Herschel Project

Herschel8834

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[6 April 1841]
Source of text:
Science Museum Talbt 1/31 (C: RS:HS 17.306b & 22.83)
Summary:

Doubts that isomerism of all elements can be verified experimentally, but notes a number of groups with similar atomic weights that might well fit. Further on vegetable colors in photography. Refers to enclosure of a further dialogue on infinity.

Contributor:
John Herschel Project

Herschel8835

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[14 May 1841]
Source of text:
Science Museum Talbt 1/32
Summary:

Has been experimenting with paper prepared with light-sensitive vegetable juices. Sends two specimens of JH's results.

Contributor:
John Herschel Project

Herschel8836

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[5 July 1841]
Source of text:
Science Museum Talbt 1/33 (draft: RS:HS 17.309b & C: RS:HS 22.91)
Summary:

Explains the operation of the Council of the R.S.L. and hopes that WT will treat their unintended slight as a 'gaucherie'.

Contributor:
John Herschel Project

Herschel8879

From:
Sir John Herschel
To:
the Athenaeum
Date:
[15 August 1841]
Source of text:
Athenaeum, #721 (Aug. 21, 1841), 643
Summary:

Discusses meteor showers of 9 August 1840, emanating from a point in the constellation Perseus. Calls attention to a report on these meteors as seen from near Vesuvius in 1779 by William Hamilton.

Contributor:
John Herschel Project
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