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Herschel12225

From:
James Nasmyth
To:
Sir John Herschel
Date:
[18 October 1863]
Source of text:
RS:HS 13.81
Summary:

Regrets that JH's engagements prevent them visiting Penshurst. JN too is unable to manage the dates quoted. Hopes his own Herschelian helioscope will be in action by the time the Herschels visit Penshurst.

Contributor:
John Herschel Project

Herschel12304

From:
P. O'Callaghan
To:
Sir John Herschel
Date:
[20 October 1863]
Source of text:
RS:HS 13.160
Summary:

Sends a portion of JH's lecture for the Leeds Astronomical Society, which has just been received from the printer. PO's wife's health is improving and JH's grandchildren are flourishing.

Contributor:
John Herschel Project

Herschel12907

From:
Sir John Herschel
To:
Gustave Augustin Quesneville
Date:
[22 October 1863]
Source of text:
TxU:H/L-0320; Reel 1054
Summary:

Received four issues of GQ's Moniteur Scientifique. Saw mention in No. 163 of JH's proposed modification to British system of weights and measures. JH's paper on this topic is now before Astronomical Society of Leeds.

Contributor:
John Herschel Project

Herschel13757

From:
George Phillips Bond
To:
Sir John Herschel
Date:
[24 October 1863]
Source of text:
TxU:H/M-0110; Reel 1087
Summary:

Read of JH's intention to prepare general catalogue of nebulae. Encloses list of unpublished nebulae found at Harvard over past 15 years. Finds similarity in form but difference in theory between JH's equations for curve of object glasses ['On Aberrations of Compound Lenses and Object Glasses' (1821)] and those of K. A. Steinheil and C. F. Gauss. Asks about Josef Fraunhofer's theory.

Contributor:
John Herschel Project

Herschel21

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[8 October 1863]
Source of text:
RGO 6.380.268
Summary:

Comments on the ease of calculation in geodesy in JH's version of the English system of units, and asks GA for some clarifications as JH prepares the seventh edition of his Outlines Astr.

Contributor:
John Herschel Project

Herschel2422

From:
Edward Sabine
To:
Sir John Herschel
Date:
[22 October 1863]
Source of text:
RS:HS 15.272
Summary:

R.S.L. Club locale changed to St. James's Hotel. Wants JH's advice on two papers ES is writing on results from Kew Observatory.

Contributor:
John Herschel Project

Herschel2423

From:
Sir John Herschel
To:
Edward Sabine
Date:
[25 October 1863]
Source of text:
RS:HS 24.21
Summary:

Accepts invitation to dine with ES. Working on sixth edition of Outlines Astr. Has sent argument against converting to metric system to Leeds.

Contributor:
John Herschel Project

Herschel2424

From:
Edward Sabine
To:
Sir John Herschel
Date:
[29 October 1863]
Source of text:
RS:HS 15.273
Summary:

JH to read his paper on nebulae Thursday, 19 Nov. Dinner will be at St. James's Hotel.

Contributor:
John Herschel Project

Herschel3094

From:
Adolphe Quetelet
To:
Sir John Herschel
Date:
[1 October 1863]
Source of text:
RS:HS 14.259
Summary:

Received documents from JH just before leaving for Berlin. Discussed periodic stars in Berlin. Stayed in Berlin longer than expected, but was received well by old friends.

Contributor:
John Herschel Project

Herschel4074

From:
Longman and Co.
To:
Sir John Herschel
Date:
[12 October 1863]
Source of text:
Harvard: Houghton AAH 67m-67 (107)
Summary:

Informs JH that his photographs of the moon's surface and diagrams of the sun's envelope were sent to the engraver.

Contributor:
John Herschel Project

Herschel4133

From:
William Trant, Jr.
To:
Sir John Herschel
Date:
[2 October 1863]
Source of text:
RS:HS 17.363
Summary:

Thanks JH upon receiving the essay for the Leeds Astronomical Society lecture series ['The Yard, the Pendulum, and the Metre, Considered in Reference to the Choice of a Standard of Length'].

Contributor:
John Herschel Project

Herschel4134

From:
William Trant, Jr.
To:
Sir John Herschel
Date:
[16 October 1863]
Source of text:
RS:HS 17.367
Summary:

Announces JH's essay, 'The Yard, the Pendulum, and the Metre' will be read to the Leeds Astronomical Society on 10 Oct. 1863.

Contributor:
John Herschel Project

Herschel4135

From:
William Trant, Jr.
To:
Sir John Herschel
Date:
[21 October 1863]
Source of text:
RS:HS 17.368
Summary:

Informs JH that the Leeds Astronomical Society will print 'The Yard, the Pendulum, and the Metre' the day after its presentation.

Contributor:
John Herschel Project

Herschel4188

From:
William Trant, Jr.
To:
Sir John Herschel
Date:
[13 October 1863]
Source of text:
RS:HS 17.366
Summary:

Notes reception of corrections to JH's 'The Yard, the Pendulum, and the Metre.' Will send JH 100 copies of the essay.

Contributor:
John Herschel Project

Herschel4212

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[19 October 1863]
Source of text:
RS:HS 14.83 Ada Pritchard, Charles Pritchard: Memoirs of His Life, 240-1
Summary:

Warren de La Rue observes 'willow leaves' [mottling on solar surface]. Diagonal solar eyepiece works with great success. Praises de La Rue's work as having astounding accuracy.

Contributor:
John Herschel Project

Herschel4296

From:
William Trant, Jr.
To:
Sir John Herschel
Date:
[6 October 1863]
Source of text:
RS:HS 17.364
Summary:

Leeds Astronomical Society will publish the essay written by JH for their lecture series after its presentation. WT will forward the proof for JH's corrections.

Contributor:
John Herschel Project

Herschel4594

From:
William Trant, Jr.
To:
Sir John Herschel
Date:
[9 October 1863]
Source of text:
RS:HS 17.365
Summary:

Points out minor errors in the manuscript of JH's 'The Yard, the Pendulum, and the Metre.'

Contributor:
John Herschel Project

Herschel4595

From:
William Trant, Jr.
To:
Sir John Herschel
Date:
[29 October 1863]
Source of text:
RS:HS 17.369
Summary:

Sends regrets to JH over the error in The Leeds Mercury claiming that the Leeds Astronomical Society had the copyright to 'The Yard, the Pendulum, and the Metre.'

Contributor:
John Herschel Project

Herschel4873

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[7 October 1863]
Source of text:
RS:HS 1.261
Summary:

Concerning the 'Standards.'

Contributor:
John Herschel Project

Herschel4874

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[9 October 1863]
Source of text:
RS:HS 1.262 (C: RGO 6.85.105 & 85.269 & 200.112)
Summary:

Regarding A. R. Clarke's paper on Geodesy. Benjamin Peirce's Lunar Table. The sun's parallax. JH's nebulae catalogue. Regarding the English inch.

Contributor:
John Herschel Project
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