Search: 1870-1879 in date 
Herschel, John in author 
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Herschel8528

From:
Sir John Herschel
To:
Frederick Howlett
Date:
[29 August 1870]
Source of text:
Adler Ms. 13 (C: RS:HS 24.328)
Summary:

Comments on remarkable solar activity. JH admits he has no theory to explain sunspots.

Contributor:
John Herschel Project

Herschel2629

From:
Sir John Herschel
To:
William Selwyn
Date:
[31 August 1870]
Source of text:
RS:HS 24.329
Summary:

Discusses the movement of the 'great group' of sunspots over the last six months. Asks WS to sign a certificate for his son [John].

Contributor:
John Herschel Project

Herschel1496

From:
Sir John Herschel
To:
J. Peter Lesley
Date:
[1 September 1870]
Source of text:
APS (no i.d.)
Summary:

Has received, through the good offices of the Smithsonian Institution, a number of back issues as well as current issues of the Proceedings of the American Philosophical Society of Philadelphia. The best way to send these volumes is by way of the Smithsonian.

Contributor:
John Herschel Project

Herschel2631

From:
Sir John Herschel
To:
William Selwyn
Date:
[4 September 1870]
Source of text:
RS:HS 24.330
Summary:

Thanks WS for August 29 photographs. Is sending JH's son's [John's] certificate. Pities the 'fallen Emperor' [Napoleon III].

Contributor:
John Herschel Project

Herschel920

From:
Sir John Herschel
To:
John Herschel (son)
Date:
[7 September 1870]
Source of text:
JHS 5.42
Summary:

Gives advice to son John about whom to ask for a signature for the certificate for fellowship in the R.S.L. [see JH's 1870-8-4]; talks about the war [Franco-Prussian ?], and announces the birth of a son to daughter Amelia and Thomas Wade in Peking.

Contributor:
John Herschel Project

Herschel3474

From:
Sir John Herschel
To:
Edward Sabine
Date:
[14 September 1870]
Source of text:
RS Sa.678
Summary:

Approves of ES's actinometric methods, but wonders about absorbent power of alcoholic liquid. Laments 'sad conclusion' to career of 'Hansa,' and hopes her companion is more successful.

Contributor:
John Herschel Project

Herschel3657

From:
Sir John Herschel
To:
Edward Sabine
Date:
[20 September 1870]
Source of text:
RS Sa.679
Summary:

Thanks for telegram and has dispatched papers about absorption power of actinometer liquid. Hopes letter written in Lady Sabine's handwriting does not indicate serious illness of ES.

Contributor:
John Herschel Project

Herschel1466

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[20 September 1870]
Source of text:
Cambridge University Library 7656/H729
Summary:

In commenting on a paper on actinometric measurements varying with depth of atmosphere, JH questions the accuracy of the equipment used.

Contributor:
John Herschel Project

Herschel12839

From:
Sir John Herschel
To:
Norman Macleod
Date:
[24 September 1870]
Source of text:
TxU:H/L-0243; Reel 1054
Summary:

Will send manuscript of article by JH's daughter [?] on history of Alsace and Lorraine for publication in NM's Good Words. JH is busy compiling general catalog of all known double stars.

Contributor:
John Herschel Project

Herschel1467

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[27 September 1870]
Source of text:
Cambridge University Library 7656/H726
Summary:

Thanks for grant of £50 from B.A.A.S. for calculations related to request from Georg Erman [see JH's 1870-5-6].

Contributor:
John Herschel Project

Herschel10702

From:
Sir John Herschel
To:
Sir William Huggins
Date:
[30 September 1870]
Source of text:
RS:HS 24.331
Summary:

JH is preparing a digest of all double star observations; also comments on sunspot activity.

Contributor:
John Herschel Project

Herschel3477

From:
Sir John Herschel
To:
Edward Sabine
Date:
[3 October 1870]
Source of text:
RS MM.10.86A (C: RS MM.10.86B)
Summary:

Discusses significance of Col. Napier's pendulum observations to research on earth's constitution and gravitation.

Contributor:
John Herschel Project

Herschel1540

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[6 October 1870]
Source of text:
APS B.H435p.25
Summary:

Asks a whole series of silly riddles, and JH complains of not having heard from AD.

Contributor:
John Herschel Project

Herschel9352

From:
Sir John Herschel
To:
Georg Adolph Erman
Date:
[7 October 1870]
Source of text:
RS:HS 24.332
Summary:

Writes to clarify the actions of the B.A.A.S. [see JH's 1870-5-24].

Contributor:
John Herschel Project

Herschel13054

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[7 October 1870]
Source of text:
TxU:H/L-0466; Reel 1055
Summary:

Corrects date on publication by G. A. Erman.

Contributor:
John Herschel Project

Herschel1469

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[7 October 1870]
Source of text:
Cambridge University Library 7656/H730
Summary:

Requests some rewording of B.A.A.S. resolution [see JH's 1870-9-27].

Contributor:
John Herschel Project

Herschel8650

From:
Sir John Herschel
To:
George Griffith
Date:
[7 October 1870]
Source of text:
Manchester Central Library (C: TxU:H/L-0176; Reel 1054)
Summary:

Having been placed jointly in charge with G. A. Erman of a B.A.A.S. grant expenditure to support H. J. R. Petersen's recomputation of Gaussian constant for 1829, JH asks for corrections in the statement of the actions funded.

Contributor:
John Herschel Project

Herschel2987

From:
Sir John Herschel
To:
Adolphe Quetelet
Date:
[9 October 1870]
Source of text:
Académie belgique: #57
Summary:

Apologizes for not writing often. Has been ill. 'Moderate' use of 'Coca de Peru' [cocaine] helps. Is working on a 'General Catalogue of double stars reduced to 1830.0.' Acknowledges works received.

Contributor:
John Herschel Project

Herschel1092

From:
Sir John Herschel
To:
Georg Adolph Erman
Date:
[12 October 1870]
Source of text:
RS:HS 25.7.7
Summary:

Corrects a misunderstanding about the date to which magnetic observations are to be reduced.

Contributor:
John Herschel Project

Herschel9718

From:
Sir John Herschel
To:
John P. Gassiot
Date:
[16 October 1870]
Source of text:
RS:HS 24.334
Summary:

Gives JG a journal reference.

Contributor:
John Herschel Project
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