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1860-1869 in date 
Herschel, John in author 
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From:
Sir John Herschel
To:
Sir William J. Hooker
Date:
[21 June 1861]
Source of text:
RS:HS 9.463 & 23.332
Summary:

Found some old packets of seeds of Protea yesterday and wonders if he would like them to be sown to see if they would germinate. Comments on some of the plants in his garden. Tried some Peruvian potatoes.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Alexander Stewart Herschel
Date:
[23 June 1861]
Source of text:
TxU:H/L-0523; Reel 1053
Summary:

AH's college exams. Prefers that AH come home, rather than JH coming to Clapham and using Charles Pritchard's astronomy instruments. Describes 'revolving reflector' that JH designed for studying star spectra. Margaret and Duncan Stewart are coming to Clapham tomorrow for races. Many visitors at Collingwood.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Walter White
Date:
[24 June 1861]
Source of text:
Columbia Univ. Library
Summary:

Asks that various papers by JH be sent along with the R.S.P.T. to four foreign locations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Marc Seguin
Date:
[1861-7 or later]
Source of text:
RS:HS 17.185
Summary:

Thanks for MS's works, communicated through [Picot] Tremblay. Worries that JH has insufficient time and lags behind in the physical sciences. Comments on ideas put forward in 1824 by JH and discussed by MS. Has found MS's name connected with suspension bridge over Rhone River.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
The London Review
Date:
[6 July 1861]
Source of text:
London Review, 3 (July 13, 1861), 46-7
Summary:

Reports JH's observations of a comet [Comet II Tebbutt ?] first seen from England ca. 29 June 1861. Remarks that it 'far exceeded in brightness any comet I have before observed.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Elizabeth Colling
Date:
[12 July 1861]
Source of text:
RS:HS 23.333
Summary:

Sends a work on physical geography in return for a receipt of some lines of poetry.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[14 July 1861]
Source of text:
RS:HS 23.334
Summary:

Raised from his lethargy by the appearance of the comet; comments on the nature of the sun; can AD recommend a book on surveying for JH's son John.

Contributor:
John Herschel Project
From:
John Frederick William Herschel
To:
John Tyndall
Date:
July 21 1861
Source of text:
MS JT/1/H/94; MS JT/1/TYP/2/505-6, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Sir John Herschel
To:
John Tyndall
Date:
[21 July 1861]
Source of text:
RS:HS 23.335 (ACCS: RS:HS 17.388a; C: RI 505-6)
Summary:

Thanks for and comments on paper and lectures on 'diathermancy &c' of gases, scientific teaching, and solar chemistry. Regrets that JT mentioned all names connected with light research except JH's. Remarks on absorption of light, molecular vibrations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
S[amuel] P[ickworth] Woodward
Date:
[23 July 1861]
Source of text:
BL Aaa 42580.137
Summary:

Thanks SW for a copy of the reviews of JH's Meteorology and Physical Geography. Comments on related matters such as importing English birds into Australia, observations made by Alexander von Humboldt, and catching specimens behind a sailing ship.

Contributor:
John Herschel Project
Text Online
From:
John Frederick William Herschel
To:
Michael Faraday
Date:
24 July 1861
Source of text:
IET MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project
From:
Sir John Herschel
To:
Michael Faraday
Date:
[24 July 1861]
Source of text:
RS:HS 23.336
Summary:

More on lacunae in JH's set of MF's writings [see JH's 1838-10-3].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Stanley Jevons
Date:
[30 July 1861]
Source of text:
John Rylands University Library of Manchester (C: RS:HS 23.337)
Summary:

Thanks WJ for his papers on clouds [see WJ's 1861-7-21]. JH had not seen these, but praises their contents.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[3 August 1861]
Source of text:
Cambridge University Library 7656/H699 (C: Univ.Coll.London MS.Add.227)
Summary:

Asks R.S.L. Council to request Colonial Office to provide official recommendation to authorities in Malta for William Lassell, going there to observe.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John William Lubbock
Date:
[14 August 1861]
Source of text:
TxU:H/L-0234; Reel 1054
Summary:

Explains JH's objections to JL's shadow-extinction hypothesis of meteors. Believes that several sorts of meteors—magnetoelectric, stony, vaporous, etc.—exist.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John William Lubbock
Date:
[15 August 1861]
Source of text:
RS:HS 11.394, 23.338, & 25.15.18
Summary:

Has got his paper on shooting stars. Comments on JL's theories of meteors. Pleased to hear a favorable account of Montague Lubbock.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Edward Sabine
Date:
[1861-8-31 or later]
Source of text:
RS:HS 15.334
Summary:

Advises on the construction of the Melbourne reflecting telescope. Thinks [W. P.] Wilson should come to watch construction.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
W[illiam] P[arkinson] Wilson
Date:
[1 September 1861]
Source of text:
RS Sa.670
Summary:

Outlines advantages of erecting great reflector in Melbourne [WW's colony] for observation of southern nebulae.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John William Lubbock
Date:
[14 September 1861]
Source of text:
RS:HS 11.399-400 & 23.339
Summary:

Does not possess the Transactions of the Astronomical Society, which contains JL's paper. Had to limit the scope of his article so could not deal with the point mentioned in JL's letter. Comments on P. S. Laplace's formula.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John William Lubbock
Date:
[14 September 1861]
Source of text:
RS:HS 11.400 (C: RS:HS 23.339)
Summary:

About the barometric formula for the measurement of heights.

Contributor:
John Herschel Project