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Herschel, John in author 
1860-1869::1869::05 in date 
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Herschel6644

From:
Sir John Herschel
To:
Elizabeth Colling
Date:
1869-5
Source of text:
RS:HS 24.257
Summary:

Comments on 'rubbish' published by Poet Laureate, EC's report of the weather of 1849, and the flowers and plants growing in JH's garden.

Contributor:
John Herschel Project

Herschel13361

From:
Sir John Herschel
To:
William James Herschel
Date:
[6 May 1869]
Source of text:
TxU:H/L-0564; Reel 1053
Summary:

Glad that Emma's jaundice is over. Criticises metric system of measure. Encloses JH's response to Mr. Yates's letter in the Times on Geometrical British System. Upset by present resistance to anything English. This is what 'lost us...Neptune.' Would like to see Arabic translation of Outlines Astr. Relieved that 'shabby' French translation by [L. M. J.] Chevigné was stopped. Failure of gold standard in India. French and English coins. Suggestions on WJH's effort to introduce oaths into Indian justice system. Popularity of velocipedes [bicycles]. Family news.

Contributor:
John Herschel Project

Herschel159

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[8 May 1869]
Source of text:
RGO 6.695.494 (drafts RS:HS 1.314 & 24.256)
Summary:

Has read the syllabus of GA's lectures on magnetism; it reminds JH of his attempt to solve the problem of 'Mahomet's coffin', which JH still believes would work.

Contributor:
John Herschel Project

Herschel7217

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[11 May 1869]
Source of text:
RS:HS 24.258
Summary:

On AD's and JH's illnesses; asks AD about Latin verses of the medieval period.

Contributor:
John Herschel Project

Herschel6290

From:
Sir John Herschel
To:
William Benson
Date:
[27 May 1869]
Source of text:
RS:HS 5.51 & 24.259
Summary:

Thanks for the gift of the paper on color. Comments on this and the subject in general.

Contributor:
John Herschel Project

Herschel2182

From:
Sir John Herschel
To:
Henry Enfield Roscoe
Date:
[28 May 1869]
Source of text:
RS:HS 24.261
Summary:

Thanks HR for sending HR's book on spectrum analysis [Spectrum Analysis, 1869]. Praises that publication.

Contributor:
John Herschel Project

Herschel3538

From:
Sir John Herschel
To:
John Tyndall
Date:
[28 May 1869]
Source of text:
RS:HS 17.406a (C: RI 559-60 & RS:HS 24:260)
Summary:

Thanks for paper on comets. Offers questions, problems to be resolved, particularly on termination of comet.

Contributor:
John Herschel Project

Herschel10685

From:
Sir John Herschel
To:
Sir William Huggins
Date:
[28 May 1869]
Source of text:
RS:HS 24.262
Summary:

About an increase in sun spot activity.

Contributor:
John Herschel Project

Herschel1934

From:
Sir John Herschel
To:
[John Tyndall]
Date:
[29 May 1869]
Source of text:
DMC 695A.885.11 (C: RS:HS 24.263 & RI 561)
Summary:

'Great Comet of 1843' presents difficulties for JT's explanation of comets' tails [continuation of JH's 1869-5-28].

Contributor:
John Herschel Project

Herschel166

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[30 May 1869]
Source of text:
RGO 6.257.356
Summary:

Is considering a new edition of Outlines Astr.[?] and wants to provide the latest determinations of the periods of rotation of the planets.

Contributor:
John Herschel Project

Herschel3441

From:
Sir John Herschel
To:
John Tyndall
Date:
[30 May 1869]
Source of text:
RS:HS 17.407a (C: 24.264; C: RI 563-4)
Summary:

Suggests experiments with regard to polarization and vaporization, and comets' tails.

Contributor:
John Herschel Project
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