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1860-1869::1869 in date 
Herschel, John in author 
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Herschel13532

From:
Sir John Herschel
To:
Mary Somerville
Date:
[14 March 1869]
Source of text:
TxU:H/L-0760.4; Reel 1089 (C: RS:HS 16.378 & 24.251)
Summary:

Commentary on manuscript [Personal Recollections?] that [MS] sent to JH one month ago. Career of scientific learning and domestic happiness will inspire future generations. Suggests publishing it posthumously for greater impact. Corrects passages about Charles Babbage. Gives purpose, history, and membership of each of two Standards committees, one of 1819 and one of 1838. Suggests avoiding topic of bitter controversy over invention of electric telegraph.

Contributor:
John Herschel Project

Herschel3174

From:
Sir John Herschel
To:
Balfour Stewart
Date:
[18 March 1869]
Source of text:
RS:HS 24.253
Summary:

Agrees with BS's objection against performing daily analyses of individual barometric pressure records. Believes monthly analyses of importance for observing laws of annual pressure.

Contributor:
John Herschel Project

Herschel11986

From:
Sir John Herschel
To:
William Allen Miller
Date:
[18 March 1869]
Source of text:
RS:HS 12.348 & 24.252
Summary:

Is fully satisfied with the objections in WM's letter regarding the individual records of barometric pressure. Gives advice on how the records should be shown.

Contributor:
John Herschel Project

Herschel10684

From:
Sir John Herschel
To:
Sir William Huggins
Date:
[27 March 1869]
Source of text:
RS:HS 24.254
Summary:

Comments on the radiant heat of heavenly bodies and the motion of Sirius.

Contributor:
John Herschel Project

Herschel7903

From:
Sir John Herschel
To:
George Robert Waterhouse
Date:
[1 April 1869]
Source of text:
RS:HS 18.107 (C: 24.255)
Summary:

Thanks for answers and for notice on Apteryx [Maerurus ?], which JH remembers watching Richard Owen inspect. Interested in W. B. Carpenter's and C. W. Thomson's ['Bathybius?]' as origin of chalk-flint. Discusses inorganic chemical allotropes. Organic allotropes may exist, serving as 'agents of vital action' and subject to a higher power.

Contributor:
John Herschel Project

Herschel991

From:
Sir John Herschel
To:
John Herschel (son)
Date:
1869-4-27 or earlier
Source of text:
JHS 6.46
Summary:

Talks about problems of observing nebulae—one of which seems to have changed—and one of which is in the catalogue and does not seem to exist.

Contributor:
John Herschel Project

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

Herschel10687

From:
Sir John Herschel
To:
Sir William Huggins
Date:
[3 June 1869]
Source of text:
RS:HS 24.267
Summary:

Note to accompany the reported observations of JH's son John.

Contributor:
John Herschel Project

Herschel9380

From:
Sir John Herschel
To:
Frederick J. O. Evans
Date:
[4 June 1869]
Source of text:
RS:HS 7.133 & 24.265
Summary:

Unable to attend the forthcoming meeting of the Board of Visitors. Would like to resign from the Board as his enfeebled health will prevent him from attending future meetings.

Contributor:
John Herschel Project

Herschel10274

From:
Sir John Herschel
To:
James Haig[?]
Date:
[4 June 1869]
Source of text:
RS:HS 9.157 & 24.266
Summary:

Has received his book on symbolism from the publishers. Comments on some of its views. Feels he has been treated a little harshly.

Contributor:
John Herschel Project
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