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Herschel, John in addressee 
John Herschel Project in contributor 
Brigitte Stenhouse in contributor 
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Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[31 March 1829]
Source of text:
RS:HS 16.327
Summary:

Thanks JH for his suggestions for her paper. Will accept any corrections he makes. Sends warm regards to JH and his new wife.

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[20 October 1829]
Source of text:
RS:HS 16.328
Summary:

Wants JH to return the last 8-10 pages of her manuscript. She wishes to correct and improve it.

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[1830]
Source of text:
RS:HS 16.339
Summary:

Asks JH to send the astronomical part of her manuscript [Mechanism of the Heavens] by Mr. Richards on Thursday.

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[1830]
Source of text:
RS:HS 16.340
Summary:

Used a counter spell to keep the moon at a 'due distance.' Her previous computations were careless. Asks JH to return part of her manuscript [Mechanism of the Heavens] for corrections.

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[1 March 1830]
Source of text:
RS:HS 16.330
Summary:

Thanks JH for criticisms of her manuscript. Will outline principles more carefully. Hopes Lady Herschel is 'gaining strength.'

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[6 March 1830]
Source of text:
RS:HS 16.331
Summary:

Sends first revised pages [of MS's Mechanism of the Heavens] back for further opinion. Highly respects JH's comments and believes he will be a truthful critic as a friend.

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[1830-3-9 or later]
Source of text:
RS:HS 16.333
Summary:

Thanks JH for his communications. Anxious to get into the proof JH criticized. Sends [Joseph] LaGrange's variations of constant quantities.

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[5 April 1830]
Source of text:
RS:HS 16.335
Summary:

Offers congratulations on arrival of JH's first child. Thanks him for communicating his thoughts on her manuscript [Mechanism of the Heavens] at such a time.

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[15 May 1830]
Source of text:
RS:HS 16.336
Summary:

Sending back part of manuscript [Mechanism of the Heavens] for criticism. Hopes Mrs. Herschel and baby are well.

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[23 October 1830]
Source of text:
RS:HS 16.338
Summary:

Sends a method of estimating the variations in the elements of orbits during the perturbations in longitude and distance. Used it in manuscript when examining Saturn and Jupiter.

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[11 February 1831]
Source of text:
RS:HS 16.341
Summary:

Wants to use method of indeterminate coefficients to integrate the differential equations of the planets' perturbations. [Originally written to W. Fairfax.]

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[3 March 1831]
Source of text:
RS:HS 16.342
Summary:

Needs advice on integrating equations. Praises JH's book [Prelim. Discourse]. Says James Mackintosh and [Henry] Hallam also praise it. Note from William Somerville, which needs a reply, is enclosed.

Contributor:
John Herschel Project, Brigitte Stenhouse
Text Online
From:
Mary Somerville
To:
Sir John Herschel
Date:
[28 May 1831]
Source of text:
RS:HS 16.344
Summary:

Sends preliminary observations that will be prefixed to her book [Mechanism of the Heavens]. Wants JH to make any criticisms of it before it is published.

Contributor:
John Herschel Project, Brigitte Stenhouse