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Herschel607

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[9 March 1830]
Source of text:
RGO 6.803.130
Summary:

Sets out JH's preferences with regard to developing a system of reductions of astronomical observations that could then be easily applied.

Contributor:
John Herschel Project
Text Online

Herschel2641

From:
Sir John Herschel
To:
Mary Somerville
Date:
[9 March 1830]
Source of text:
RS:HS 16.332 (C: RS:HS 21.61)
Summary:

Sends new translation of [P. S. Laplace's] Mécanique céleste. Says her revision [of MS's Mechanism of the Heavens] has been effective. Still doubts the derivation of the fundamental equation. Discusses force, resistance, and reaction with regard to this equation.

Contributor:
John Herschel Project, Brigitte Stenhouse

Herschel8042

From:
Eliza Young
To:
Sir John Herschel
Date:
[10 March 1830]
Source of text:
RS:HS 18.309
Summary:

Asks help in summarizing scientific labors of her late husband, Thomas Young, for memoir by Hudson Gurney. [Addressed to 'William Herschale, Esqr.']

Contributor:
John Herschel Project

Herschel3006

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[10 March 1830]
Source of text:
RS:HS 17.116
Summary:

Hopes to meet JH and [James] South in summer. Announces emperor's decision to support measurement of the 3.5° latitude meridian throughout the entire Russian empire. WS is responsible for directing work in the north. Emphasizes the importance of maintaining correct linear standards uniform with both France and England. Requests a copy of the English standard so as to compare it with the Russian measurements of degrees.

Contributor:
John Herschel Project

Herschel8043

From:
Sir John Herschel
To:
Eliza Young
Date:
[12 March 1830]
Source of text:
RS:HS 18.310
Summary:

JH agrees to assist Hudson Gurney in writing biography of Thomas Young. Please send catalogue of Young's works. Ask Hudson Gurney to write JH.

Contributor:
John Herschel Project

Herschel6166

From:
Peter Barlow
To:
Sir John Herschel
Date:
[14 March 1830]
Source of text:
RS:HS 3.292
Summary:

Plan for the comparison of the strengths of variously sized telescopes.

Contributor:
John Herschel Project

Herschel3233

From:
Robert Spottiswoode
To:
Sir John Herschel
Date:
[16 March 1830]
Source of text:
RS:HS 17.227
Summary:

Reports circumstances surrounding death of a Mr. Beckwith, for whom JH serves as an executor.

Contributor:
John Herschel Project
Text Online

L740

From:
Ampère, Albine (fille d'Ampère, épouse Ride)
To:
André-Marie Ampère
Date:
17 mars 1830
Source of text:
Correspondance du Grand Ampère (Paris: 1936), p. 709.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère

Herschel9789

From:
Davies Gilbert
To:
Sir John Herschel
Date:
[18 March 1830]
Source of text:
RS:HS 8.125
Summary:

Sending a letter he has received, and would like JH's opinion on it [probably about his telescope; see P. Barlow's 1830-3-14].

Contributor:
John Herschel Project

Herschel5301

From:
Charles Babbage
To:
Sir John Herschel
Date:
[19 March 1830]
Source of text:
RS:HS 2.246
Summary:

Regarding his forthcoming pamphlet and his attitudes to scientific societies. Sent him the wrong page of 'Sound.' Has just returned from Leicestershire. David Brewster sent a problem.

Contributor:
John Herschel Project

Herschel9790

From:
Sir John Herschel
To:
Davies Gilbert
Date:
[19 March 1830]
Source of text:
RS:HS 8.126 & 21.62
Summary:

Suggests Peter Barlow should test his telescope by carrying out a series of observations.

Contributor:
John Herschel Project

Herschel9334

From:
Sir John Herschel
To:
Johann Franz Encke
Date:
[19 March 1830]
Source of text:
RS:HS 7.88 & 21.63
Summary:

Thanks for his letter, which had been forwarded to his old address. Is pleased he intends working on double stars, though 70 Ophiuchi may prove difficult. Will send some of his own readings for double stars. Like him, he is astonished at the acrimony of the attack on Thomas Young and the Nautical Almanac.

Contributor:
John Herschel Project
Text Online

Faraday0439

From:
Jean Nicolas Pierre Hachette
To:
Michael Faraday
Date:
21 March 1830
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project

Herschel3211

From:
Sir John Herschel
To:
Davies Gilbert
Date:
[21 March 1830]
Source of text:
RS MC.1.211
Summary:

On behalf of [J. F.] Encke, asks that Greenwich observations be given to library of Berlin Observatory.

Contributor:
John Herschel Project

Herschel6167

From:
Peter Barlow
To:
Sir John Herschel
Date:
[22 March 1830]
Source of text:
RS:HS 3.293
Summary:

Outlining his scheme for the comparison of the strengths of various telescopes, which JH seems to have misunderstood.

Contributor:
John Herschel Project
Text Online

L741

From:
André-Marie Ampère
To:
Pierre-Simon Ballanche
Date:
23 mars 1830
Source of text:
Correspondance du Grand Ampère (Paris: 1936), p. 709-711.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère

Herschel5302

From:
Charles Babbage
To:
Sir John Herschel
Date:
[23 March 1830]
Source of text:
RS:HS 2.247 (C: RS:HS 2.248)
Summary:

Regarding his projected biography of Dr. Thomas Young. His own book on the decline of science is in the press. Regarding the life and manners of Dr. Young.

Contributor:
John Herschel Project

SOMERVILLE236

From:
William Somerville
To:
John Herschel
Date:
23 Mar 1830
Source of text:
HS 16.388, RS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse

Herschel2696

From:
William Somerville
To:
Sir John Herschel
Date:
[23 March 1830]
Source of text:
RS:HS 16.388
Summary:

Mrs. Somerville cannot decide what to call her book [Mechanism of the Heavens]. Please advise so publishing can commence.

Contributor:
John Herschel Project

Herschel5303

From:
Sir John Herschel
To:
Charles Babbage
Date:
[24 March 1830]
Source of text:
RS:HS 2.249 (C: RS:HS 2.250)
Summary:

Is sorry to note the tone of CB's last letter concerning his projected biography of Dr. Thomas Young, but he means to carry out his project. Edward Sabine received £1000 from the Board of Longitude.

Contributor:
John Herschel Project
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