Search: Herschel, John in correspondent 
Hamilton, William Rowan in correspondent 
1830-1839 in date 
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Herschel3856

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[3 December 1830]
Source of text:
unknown
Summary:

Sorry to hear that JH was not elected President of the R.S.L. Sending a supplement to WH's 'Theory of Systems of Rays' essay. Recommends [Edwin Richard Windham Wyndham-Quin,] Lord Adare for consideration as a member of the R.A.S.

Contributor:
John Herschel Project

Herschel3556

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[29 December 1830]
Source of text:
TCD 1493:68
Summary:

Regrets lack of time for WH's paper but has been occupied with nebulae and double stars. Finds it difficult to concentrate on one subject. Has proposed Edward Quin for Astronomical Society membership. Mentions [Francis] Beaufort's penchant for astronomy and the recent R.S.L. elections, as well as JH's wish to meet WH personally.

Contributor:
John Herschel Project

Herschel3137

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[24 June 1831]
Source of text:
TCD 1493:75
Summary:

Thanks for sending extension of JH's theorem and expresses its significance. Will send copy of paper on differential and integral calculus. Includes results of calculations of orbits of double stars and mentions orbits of satellites.

Contributor:
John Herschel Project

Herschel3855

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[19 October 1831]
Source of text:
unknown
Summary:

Encouraged that a calculus can be constructed out of his exponential series findings.

Contributor:
John Herschel Project

Herschel3291

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[15 January 1833]
Source of text:
TCD 1493:88 (C: TCD 7762-72:321)
Summary:

Thanks for sending results about conical polarization and introductory lecture on astronomy communicated through Francis Beaufort. Had hoped to send WH JH's yet to be printed catalogue of double stars.

Contributor:
John Herschel Project

Herschel3854

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[29 January 1833]
Source of text:
unknown
Summary:

Rev. Humphrey Lloyd's paper on conical refraction agreed with WH's conclusions.

Contributor:
John Herschel Project

Herschel3857

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[17 October 1834]
Source of text:
unknown
Summary:

Developed a method that greatly simplifies Joseph Lagrange's integration of the 3n differential equations of motion of the second order by reducing all calculations to the application of 'one principal function.' Applies the method to planetary motion.

Contributor:
John Herschel Project

Herschel3585

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[13 June 1835]
Source of text:
TCD 1493:109
Summary:

Gives incomplete report on observations of nebulae and double stars and theories on the Milky Way and Magellanic Clouds based thereupon. Thanks WH for his explanation of WH's new dynamical method, but JH admits that he understands only its 'general scope.'

Contributor:
John Herschel Project

Herschel3586

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[13 February 1836]
Source of text:
TCD 1493:176
Summary:

Replies to WH's letter on 'Scotodynamics.' Cannot follow WH's analysis of velocities of vibrations and disturbances, but finds it symbolically beautiful and powerful. Notes that diploma [?] arrived and was sent to Hanover. Thanks WH on behalf of Caroline Herschel, who sent a letter acknowledging the honor bestowed on her by Royal Irish Academy.

Contributor:
John Herschel Project

Herschel3858

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[26 May 1838]
Source of text:
unknown
Summary:

Congratulates JH on his successful Cape Town enterprise.

Contributor:
John Herschel Project

Herschel3173

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[15 June 1838]
Source of text:
TCD 4015:96
Summary:

Comments and expands on James MacCullagh's paper on laws of reflection and polarization in crystals.

Contributor:
John Herschel Project

Herschel3859

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[18 June 1838]
Source of text:
unknown
Summary:

Pleased that the Royal Irish Academy awarded its Science Medal to James MacCullagh for his paper on the "Laws of Crystalline Reflexion and Refraction;" he deems MacCullagh's essay superior to WH's "On Algebra as the Science of Pure Time.","L

Contributor:
John Herschel Project

Herschel10798

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[19 November 1838]
Source of text:
RS:HS 10.152
Summary:

Miss Caroline Herschel has just been elected an honorary member of the Academy. How shall they forward the diploma?

Contributor:
John Herschel Project

Herschel3860

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[8 February 1839]
Source of text:
unknown
Summary:

Asks JH to keep him updated on English research of the dynamics of light. Currently considering the 'propagation' of light waves, as distinguished from their mere 'preservation'; asks whether this is a new study.

Contributor:
John Herschel Project

Herschel3861

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[13 February 1839]
Source of text:
unknown
Summary:

In reply to WH's 1839-2-8 inquiry, JH believes that 'Skotodynamics' (the propagation of light waves) is a new line of research. Caroline Herschel is ecstatic about her Royal Irish Academy medal.

Contributor:
John Herschel Project

Herschel3642

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[11 December 1839]
Source of text:
TCD 1493:182
Summary:

Requests another copy of WH's paper on light, recently read at Royal Irish Academy, having sent JH's own copy to Prague's [Karl] Kreil for description of [Humphrey] Lloyd's vertical magnetometer contained therein. Has WH yet found the three axes of the universe? Comments on WH's sister's 'charming' poetry.

Contributor:
John Herschel Project
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