Search: letter in document-type 
Herschel, John in author 
1860-1869::1869::07 in date 
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Herschel7220

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[1 July 1869]
Source of text:
RS:HS 24.273
Summary:

About AD's health and the cold summer.

Contributor:
John Herschel Project

Herschel13559

From:
Sir John Herschel
To:
Thomas Warner
Date:
[7 July 1869]
Source of text:
'Preface to Improved Edition' of Thomas Warner, How To Keep the Clock Right (187
Summary:

Received TW's book and approves simplicity and economy of its method of keeping time by using small fixed telescope to reduce star observations. Disapproves of using 'Dominical Letters.' Suggests using Julian dates.

Contributor:
John Herschel Project

Herschel13274

From:
Sir John Herschel
To:
John Herschel (son)
Date:
[14 July 1869]
Source of text:
TxU:H/L-0531; Reel 1053
Summary:

Glad for Mary's recovery. Congratulations on John's promotion to captain. Suggests method to study solar prominences without spectroscope. [Letter continues 15 June:] Alexander Herschel reports that G. B. Airy tried this method unsuccessfully long ago, but JH is sure it will work.

Contributor:
John Herschel Project

Herschel3150

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[15 July 1869]
Source of text:
RS RR.6.14
Summary:

Reports on paper [R.S.P.T., 159,. 575-] by [Thomas] Andrews on continuity of gaseous and liquid states of matter, believing it fit for publication.

Contributor:
John Herschel Project

Herschel1460

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[18 July 1869]
Source of text:
Cambridge University Library 7656/H724
Summary:

Note to accompany an extract from JH's son John's letter, reporting on his observations of solar prominences.

Contributor:
John Herschel Project

Herschel7221

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[22 July 1869]
Source of text:
RS:HS 24.274
Summary:

Concerned about AD's health. Offers theory of the constitution of matter.

Contributor:
John Herschel Project

SOMERVILLE343

From:
John Herschel
To:
Mary Somerville
Date:
30 Jul 1869
Source of text:
HS 24.275, RS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse

Herschel2685

From:
Sir John Herschel
To:
Mary Somerville
Date:
[30 July 1869]
Source of text:
RS:HS 24:275
Summary:

Attached comments [not included] convey JH's views on MS's new manuscript [On Molecular and Microscopical Science, 1869]. Expresses reservations about MS's endorsement of current ideas of forces and their correlation and conservation.

Contributor:
John Herschel Project
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