Search: 1860-1869::1868::09 in date 
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Herschel2434

From:
Edward Sabine
To:
Sir John Herschel
Date:
[29 September 1868]
Source of text:
RS:HS 15.287
Summary:

Wants information regarding undulatory theory of light controversy and the role of Lord [Henry ] Brougham for his obituary. Congratulates good performance of JH's son [John?] in India.

Contributor:
John Herschel Project

Herschel2607

From:
Sir John Herschel
To:
William Selwyn
Date:
[26 September 1868]
Source of text:
RS:HS 24.228
Summary:

Describes the peculiar pairs of sunspots he has recently witnessed. Thinks the earth affected their appearance somehow. Is using the Julian calendar for dating observations.

Contributor:
John Herschel Project

Herschel2608

From:
William Selwyn
To:
Sir John Herschel
Date:
[29 September 1868]
Source of text:
RS:HS 15.503
Summary:

Discusses the great reflector at Lord Rosse's in Ireland. Will send solar autographs JH requested. Thanks JH for the hints about the Julian Calendar.

Contributor:
John Herschel Project

Herschel2686

From:
Mary Somerville
To:
Sir John Herschel
Date:
[26 September 1868]
Source of text:
RS:HS 16.377
Summary:

Congratulations on marriage of JH's daughter [Amelia]. Is writing her autobiography. Interested in solar eclipses, and says more will be known through photography and spectrum analysis.

Contributor:
John Herschel Project

Herschel2984

From:
Sir John Herschel
To:
Adolphe Quetelet
Date:
[1 September 1868]
Source of text:
Académie belgique: #52
Summary:

Sends back excellent translation of his review with minor corrections. Mentions 'fine display of meteors with long trains' on 10 August. Gives news of his son Lieutenant John Herschel's observations. Acknowledges works received.

Contributor:
John Herschel Project

Herschel3104

From:
Adolphe Quetelet
To:
Sir John Herschel
Date:
[12 September 1868]
Source of text:
RS:HS 14.269
Summary:

Thanks for comments on AQ's Sur l'homme moyen. Translator of JH's work is too timid to allow himself to be known, but appreciates JH's compliments. Says practical statistics has progressed whereas philosophical statistics remains stationary.

Contributor:
John Herschel Project

Herschel3335

From:
Edward James Stone
To:
Sir John Herschel
Date:
[26 September 1868]
Source of text:
RS:HS 17.241
Summary:

Reports on examination of observations of 1769 of Venus's transit over the sun's disc. Discusses variations at different sites in 'breaking and formation of the black drop,' and possible causes of error in original observations. Will send copy of paper.

Contributor:
John Herschel Project

Herschel4360

From:
William Thomson
To:
Sir John Herschel
Date:
[24 September 1868]
Source of text:
RS:HS 17.351b
Summary:

Replies in detail to JH's objection to explaining the retardation of the earth's rotation as due to tidal friction, JH having urged that this effect should be analyzed in terms of momentum rather than of vis viva [kinetic energy], as WT maintained.

Contributor:
John Herschel Project

Herschel6641

From:
Sir John Herschel
To:
Elizabeth Colling
Date:
[1 September 1868]
Source of text:
RS:HS 24.226
Summary:

Given up idea of translating Dante; comments on meteor shower report; suggests EC write an ode on poverty.

Contributor:
John Herschel Project

Herschel990

From:
Sir John Herschel
To:
John Herschel (son)
Date:
[14 September 1868]
Source of text:
JHS 6.47
Summary:

Is anxiously awaiting details of son John's observations of the solar eclipse in India; JH sends details of sunspots observed by JH on 18 Aug., and concludes with family news.

Contributor:
John Herschel Project

JHC1196

From:
Sir Joseph Dalton Hooker
To:
Sir Henry Barkly
Date:
24 September 1868
Source of text:
JDH/2/3/1 f.172-174, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project

JHC1233

From:
Sir Joseph Dalton Hooker
To:
Lady Anne Maria Barkly (nee Pratt)
Date:
23 September 1868
Source of text:
JDH/2/3/1 f.265, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project

JHC1234

From:
Sir Joseph Dalton Hooker
To:
Lady Anne Maria Barkly (nee Pratt)
Date:
23 September 1868
Source of text:
JDH/2/3/1 f.266, The Royal Botanic Gardens, Kew
Summary:

A short note to Lady Barkly from Joseph Hooker.

Contributor:
Hooker Project

JHC1235

From:
Sir Joseph Dalton Hooker
To:
Lady Anne Maria Barkly (nee Pratt)
Date:
26 September 1868
Source of text:
JDH/2/3/1 f.267, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project
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