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Herschel, John in author 
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Herschel13212

From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[15 September 1821]
Source of text:
TxU:H/L-0515.4
Summary:

Describes Como [Lombardy]. Visit with Pietro Configliachi [professor of physics at University of Pavia]. Crossing of alpine passes and Lake Maggiore. Ascent of Monte Rosa. JH was first Englishman to reach summit. [Letter continued 17 Sept. in Berne:] News from Slough of death of JH's uncle [Alexander Herschel]. Expects to return home in three weeks.

Contributor:
John Herschel Project

Herschel1845

From:
Sir John Herschel
To:
Pietro Configliachi
Date:
[21 September 1821]
Source of text:
WT 65659
Summary:

Asks PC for barometer readings for specific days in September, as JH was at the summit of Mount Rosa with a barometer. JH would also appreciate any other barometer readings around the foot of the mountain for those days. JH is on his way back to England.

Contributor:
John Herschel Project

Herschel13353

From:
Sir John Herschel
To:
William Herschel
Date:
[3 October 1821]
Source of text:
TxU:H/L-0554; Reel 1053
Summary:

Expects to be home in one week. May be delayed at Calais by astronomers' trigonometrical operations. JH's and Charles Babbage's excursion from Berne to foot of Alps. Visited [P. E.] Fellenberg at Hofwyl.

Contributor:
John Herschel Project

Herschel13213

From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[8 October 1821]
Source of text:
TxU:H/L-0515.5; Reel 1053
Summary:

Windy passage across Channel. Will arrive home in two days.

Contributor:
John Herschel Project

Herschel5218

From:
Sir John Herschel
To:
Charles Babbage
Date:
[29 October 1821]
Source of text:
RS:HS 2.165 & 20.125
Summary:

Is glad he is coming on Tuesday. Regarding the parcel of books from Vienna. Recent experiments with mercury.

Contributor:
John Herschel Project

Herschel1997

From:
Sir John Herschel
To:
John Pond
Date:
[29 October 1821]
Source of text:
RS:HS 14.30 (C: RS:HS 20.126)
Summary:

Provides a detailed critique of a mathematical paper by [J. M. H.] Wronski, which JP presented on Wronski's behalf to the R.S.L. Suggests that JP urge Wronski to withdraw the paper.

Contributor:
John Herschel Project

RS-MM-000314

From:
John Frederick William Herschel
To:
John Pond
Date:
1 November 1821
Source of text:
MM/6/74, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

Herschel3160

From:
Sir John Herschel
To:
John Pond
Date:
[1 November 1821]
Source of text:
RS MM.6.74
Summary:

Discussion and criticism of paper by a [J. M. H.] Wronski on methods in theory of equilibrium of fluids.

Contributor:
John Herschel Project

Herschel1517

From:
Sir John Herschel
To:
Unidentified
Date:
[1821-11]
Source of text:
APS B.H435p.1
Summary:

A covering note written for an enclosed letter (not available), all of it seeming to relate to filling a Cambridge position, for which J. S. Henslow seems eminently qualified.

Contributor:
John Herschel Project

Herschel5219

From:
Sir John Herschel
To:
Charles Babbage
Date:
[5 November 1821]
Source of text:
RS:HS 2.166 & 20.127
Summary:

Would like to visit this week. Has had an attack of rheumatic fever. Gives tables of orbit of a comet.

Contributor:
John Herschel Project

Herschel8180

From:
Sir John Herschel
To:
Friedrich Wilhelm Bessel
Date:
[17 November 1821]
Source of text:
RS:HS 20.128
Summary:

Sixteen-month delay in receipt of FB's observations. Willing to publish James Bradley's observations of Halley's Comet but questions accuracy of Nathaniel Bliss's. Sends John Brinkley's analysis [of April 1821 comet observed by Basil Hall in southern hemisphere]. Please describe Georg Reichenbach's new [transit] circle at Königsburg.

Contributor:
John Herschel Project

Herschel8531

From:
Sir John Herschel
To:
Friedrich Wilhelm Bessel
Date:
[20 November 1821]
Source of text:
AdWDDR Bessel 225 (C: RS:HS 20.128)
Summary:

Responds to FB's much delayed answer to JH's 1820-5-9; comments on some observational matters.

Contributor:
John Herschel Project

Herschel5220

From:
Sir John Herschel
To:
Charles Babbage
Date:
[25 November 1821]
Source of text:
RS:HS 2.167 & 20.129
Summary:

Regarding barometric observations.

Contributor:
John Herschel Project

Herschel5221

From:
Sir John Herschel
To:
Charles Babbage
Date:
[2 December 1821]
Source of text:
RS:HS 2.168 & 20.130
Summary:

Regarding their chances of obtaining a professorship at Cambridge.

Contributor:
John Herschel Project

Herschel8195

From:
Sir John Herschel
To:
Joseph Johann Littrow
Date:
[11 December 1821]
Source of text:
RS:HS 19.8
Summary:

JL was elected associate of Astronomical Society. Received JL's books and papers. Will send Society's Transactions. John Pond gave permission to test Robert Molyneux's clock at Royal Observatory. Questions F. G. W. Struve's transit determinations of double stars. Pond discovered errors in Greenwich transit instrument and places little dependence on its observations since late 1819. Sends John Brinkley's analysis [of April 1821 comet observed by Basil Hall in southern hemisphere]. Asks about Halley's Comet and parallax. Wants information on object glasses of 6-inch diameter or greater. Requests copy of JL's annual published observations.

Contributor:
John Herschel Project

Herschel8860

From:
Sir John Herschel
To:
Edinburgh Philosophical Journal
Date:
1822
Source of text:
Edinburgh Philosophical Journal, 6 (1822), 361-70
Summary:

Lays out various practical rules for the determination of the radii of a double acromatic object glass.

Contributor:
John Herschel Project

Herschel1140

From:
Sir John Herschel
To:
Henry Kater
Date:
[1822 to 1829]
Source of text:
RS:HS 25.13.20
Summary:

Unable to be at Katers' home for dinner, but will arrive later. JH is pleased to find HK's and JH's measurements of Mars agree with those of JH's father, William, and compares these with some other measures.

Contributor:
John Herschel Project

Herschel8587

From:
Sir John Herschel
To:
Samuel Lathan Mitchill
Date:
[1822]
Source of text:
Columbia Univ. Library
Summary:

Sends first volume of the 'Transactions' of the Astronomical Society to the Philosophical Society of New York.

Contributor:
John Herschel Project

Herschel8190

From:
Sir John Herschel
To:
Pierre Simon Laplace
Date:
[21 January 1822]
Source of text:
RS:HS 19.7 (C: 20.131)
Summary:

Advises PL that he has been elected an associate of the Astronomical Society.

Contributor:
John Herschel Project

Herschel8181

From:
Sir John Herschel
To:
Friedrich Wilhelm Bessel
Date:
[22 January 1822]
Source of text:
RS:HS 19.1
Summary:

FB was elected associate of Astronomical Society.

Contributor:
John Herschel Project
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