Search: Herschel, John in addressee 
Herschel, John in correspondent 
1820-1829::1825 in date 
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Showing 41–60 of 132 items

Herschel2721

From:
Edward Sabine
To:
Sir John Herschel
Date:
[4 April 1825]
Source of text:
RS:HS 15.3
Summary:

Clarifies issues discussed in an earlier letter. Discusses whether the project of making meteorological observations will be feasible if the Board of Longitude does not offer financial support. Attempts to arrange a meeting with JH.

Contributor:
John Herschel Project

Herschel2723

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1825-4]
Source of text:
RS:HS 15.5
Summary:

Shares JH's doubts whether the Board of Longitude will fund the Teneriffe expedition, the importance of which he again stresses. Cannot personally cover the costs. Thanks JH for his support and praise.

Contributor:
John Herschel Project

Herschel2725

From:
Edward Sabine
To:
Sir John Herschel
Date:
[11 April 1825]
Source of text:
RS:HS 15.7
Summary:

Encourages JH to bring ES's proposal for Teneriffe experiments before the R.S.L. Council.

Contributor:
John Herschel Project

Herschel2729

From:
Edward Sabine
To:
Sir John Herschel
Date:
[20 June 1825]
Source of text:
RS:HS 15.10
Summary:

Clarifies that the six artillery men are at ES's disposal but under JH's command. Agrees to oversee arrival of the rockets. If expenses are to be paid by the Department of Ordinance, a request must be made by the Secretary of the Board of Longitude. Agrees to keep a record of expenses, not including his time spent, which he considers 'public service.'

Contributor:
John Herschel Project

Herschel2730

From:
Edward Sabine
To:
Sir John Herschel
Date:
[12 July 1825]
Source of text:
RS:HS 15.11
Summary:

Reports on his meeting with Charles Bonne and their subsequent failure to see any signals the first night from either Mont Javoul or La Canche. Worries that the distances are too great for measurements so close to the sea. Speaks of similar measurements between Paris and Strasburg.

Contributor:
John Herschel Project

Herschel2731

From:
Edward Sabine
To:
Sir John Herschel
Date:
[16 July 1825]
Source of text:
RS:HS 15.12
Summary:

Reports his 'entire failure' with Charles Bonne to see signals from both La Canche and Mont Javoul on the same night. Tells of moving the telescopes to Tuniers on 1825-7-15. Speaks of similar experiments elsewhere, which also failed. Concludes that distance is not the only factor in distinguishing signals. Plans to visit JH on 1825-7-25.

Contributor:
John Herschel Project

Herschel2732

From:
Edward Sabine
To:
Sir John Herschel
Date:
[20 July 1825]
Source of text:
RS:HS 15.13
Summary:

Reports Charles Bonne's voyage to Mont Javoul and discovery that the rockets there had been sent off too early, accounting for the previous failures. Reports subsequent successes. Conveys his plans to arrive at Teneriffe.

Contributor:
John Herschel Project

Herschel2733

From:
Edward Sabine
To:
Sir John Herschel
Date:
[16 November 1825]
Source of text:
RS:HS 15.14
Summary:

An account of the rocket experiments and P. S. Laplace's letter will be left at the R.S.L. Finds in Laplace's letter encouragement for the corroboration regarding the measurement of latitudinal degrees. Dismisses Laplace's opinions that the climate of Spitzbergen is too unfavorable for experimentation and expounds on the many reasons to favor this town.

Contributor:
John Herschel Project

Herschel2946

From:
Giovanni Santini
To:
Sir John Herschel
Date:
[24 November 1825]
Source of text:
RS:HS 15.343
Summary:

Thanks profusely for two volumes of Astronomical Society's memoirs. Sends brochure containing two memoirs: one on eclipse of 1820, the other on two comets in 1823-24. Gives news of various acquaintances and friends.

Contributor:
John Herschel Project

Herschel2995

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[9 April 1825]
Source of text:
RS:HS 17.107
Summary:

Illegible.

Contributor:
John Herschel Project

Herschel3032

From:
Michael Faraday
To:
Sir John Herschel
Date:
[7 November 1825]
Source of text:
RS:DM 3.17
Summary:

Sends JH the results of the analyses of several specimens of experimental glass.

Contributor:
John Herschel Project

Herschel3816

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[27 March 1825]
Source of text:
unknown
Summary:

Explains the layout of her recently completed catalogue of 2500 nebulae.

Contributor:
John Herschel Project

Herschel3817

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[3 May 1825]
Source of text:
unknown
Summary:

The Duke of Cambridge inquired about JH's research interests.

Contributor:
John Herschel Project

Herschel3953

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[7 March 1825]
Source of text:
unknown
Summary:

Wishes JH a happy birthday. Finished the catalogue of 2500 nebulae.

Contributor:
John Herschel Project

Herschel3954

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[14 January 1825]
Source of text:
unknown
Summary:

Completing the catalogue of 2500 nebulae. Impressed with a French biography of William Herschel, although CH notes a few occasions where 'too great a stress is laid on the assistance of others.'

Contributor:
John Herschel Project

Herschel4018

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[20 September 1825]
Source of text:
unknown
Summary:

Her social life is rather boring at the moment because CH is busy caring for her sick brother Dietrich.

Contributor:
John Herschel Project

Herschel4103

From:
Giovanni Santini
To:
Sir John Herschel
Date:
[28 May 1825]
Source of text:
RS:HS 15.342
Summary:

Compliments JH on work as Secretary of the Astronomical Society and for keeping the scientists of Europe informed of discoveries made in England. Finds that GS needs permission from Italian government to be a member of the R.S.L.; expects this will not be difficult.

Contributor:
John Herschel Project

Herschel4948

From:
Giovanni B. Amici
To:
Sir John Herschel
Date:
[11 February 1825]
Source of text:
RS:HS 1.335
Summary:

Giving details of Giuseppe Bianchi's barometer. Regarding the experiments of Leopoldo Nobili on the electrization of mercury. Gives tables of star observations.

Contributor:
John Herschel Project

Herschel4949

From:
Giovanni B. Amici
To:
Sir John Herschel
Date:
[27 August 1825]
Source of text:
RS:HS 1.336
Summary:

Is sending journals for JH and others listed. Observations on telescopes and star readings.

Contributor:
John Herschel Project

Herschel5013

From:
André Marie Ampère
To:
Sir John Herschel
Date:
[25 October 1825]
Source of text:
RS:HS 1.394
Summary:

Thanking him for sending two volumes. Regarding recent experiments with electricity.

Contributor:
John Herschel Project
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