Search: Smyth, William Henry in correspondent 
letter in document-type 
1840-1849 in date 
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Showing 21–40 of 80 items

Herschel4144

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[4 March 1847]
Source of text:
RS:HS 22.306
Summary:

Asks WS if possible to enclose a note by Francis Beaufort to John Russell concerning request for pension for Thomas Maclear. Lays aside double star observations; continues work on orbit equation.

Contributor:
John Herschel Project

Herschel4148

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[1 May 1844]
Source of text:
RS:HS 22.192
Summary:

Skeptical of reports of seeing Jupiter's satellites with the naked eye.

Contributor:
John Herschel Project

Herschel4153

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[19 February 1846]
Source of text:
RS:HS 16.286
Summary:

Asks JH's advice on the purchase of the lunar model. Anxious to see JH's new method of calculating double star orbits.

Contributor:
John Herschel Project

Herschel4156

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[5 April 1845]
Source of text:
RS:HS 16.278
Summary:

C. P. Smyth receives appointment as Astronomer Royal of Scotland. Again thanks JH for recommendation.

Contributor:
John Herschel Project

Herschel4194

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[21 April 1847]
Source of text:
RS:HS 16.296
Summary:

Sends angular results from various astronomers using similar epoches.

Contributor:
John Herschel Project

Herschel4200

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[22 April 1846]
Source of text:
RS:HS 16.289
Summary:

Sends copy of James Graham's letter concerning transfer of Paramatta Observatory to government authority. Thanks JH for advice on the matter. Discusses methods of magnitude estimation.

Contributor:
John Herschel Project

Herschel4222

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[7 November 1848]
Source of text:
RS:HS 23.48
Summary:

Will miss R.A.S. meeting; asks WS to take chair. William Lassell announces discovery of Hyperion; believes he may have also observed an eighth satellite of Saturn.

Contributor:
John Herschel Project

Herschel4242

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[4 December 1843]
Source of text:
RS:HS 16.275
Summary:

Thomas Henderson discovered a comet on 2 December. Thanks JH for diagram of JH's comet-sweeping telescope.

Contributor:
John Herschel Project

Herschel4246

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[18 July 1843]
Source of text:
RS:HS 22.163
Summary:

Devises and suggests mode of micrometric measurement of angles.

Contributor:
John Herschel Project

Herschel4252

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[11 July 1843]
Source of text:
RS:HS 16.272
Summary:

Pleased with JH's Gamma Virginis results. Mr. Visconti made head of Military Geographical Institute at Naples.

Contributor:
John Herschel Project

Herschel4254

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[29 June 1843]
Source of text:
RS:HS 22.160
Summary:

Reaches conclusion about Gamma Virginis. States in regard to shape of orbit, 'We are all wrong.' Believes the orbit is less than 150 years. Claims that many errors exist in British measurements made between 1829 and 1834.

Contributor:
John Herschel Project

Herschel4265

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[9 July 1843]
Source of text:
RS:HS 22.161
Summary:

Sends calculations of Gamma Virginis and determines its eccentricity. Believes the orbit is highly elongated, like that of a comet.

Contributor:
John Herschel Project

Herschel4266

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[8] May 1845
Source of text:
RS:HS 22.235
Summary:

Doubtful over WS's angle for Gamma Virginis; urges precision in measurement. Hopes to obtain moon map from R.A.S. during next visit to London. Unable to solve Aristarchus puzzle.

Contributor:
John Herschel Project

Herschel4273

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[15 May 1843]
Source of text:
RS:HS 16.269
Summary:

Francis Beaufort to publish comet information; also wants JH's opinion as to what data should be sent to Cape Observatory. James South will lecture at Royal Institution. South's requests for several historical astronomical instruments refused.

Contributor:
John Herschel Project

Herschel4274

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[6 June 1843]
Source of text:
RS:HS 16.270
Summary:

Requests copy of JH's observations made in 1811. Asks latest opinion of JH on Gamma Virginis before the publication of his Cycle of Celestial Objects for the Use of Naval, Military, and Private Astronomers.

Contributor:
John Herschel Project

Herschel4275

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[16 June 1843]
Source of text:
RS:HS 22.157
Summary:

Sends JH's 1817 observations; cannot locate any he made in 1811. Tells WS Gamma Virginis measurements will take more time.

Contributor:
John Herschel Project

Herschel4276

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[2 July 1843]
Source of text:
RS:HS 16.271
Summary:

Agrees with JH opinions of Gamma Virginis orbit. Sends JH a drawing by C. P. Smyth of Halley's Comet.

Contributor:
John Herschel Project

Herschel4277

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[25 September 1845]
Source of text:
RS:HS 16.282
Summary:

J. R. Hind determined orbit of Mu2 Boötes using JH method.

Contributor:
John Herschel Project

Herschel4278

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[20 September 1848]
Source of text:
RS:HS 23.35
Summary:

Sends paper by F. W. A. Argelander, which G. B. Airy wishes to have published. Revising chapter on perturbations in his Treatise Astr. Will include theory of motions of the apsides and the variations of the eccentricities.

Contributor:
John Herschel Project

Herschel4320

From:
Sir John Herschel
To:
William Henry Smyth
Date:
1846-1
Source of text:
RS:HS 22.266
Summary:

Discusses the purchase price of Mme. Witte's lunar model.

Contributor:
John Herschel Project
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