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Herschel13242

From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[3 September 1826]
Source of text:
TxU:H/L-0518.2; Reel 1053
Summary:

Journey from London and French countryside. Towns and Paris are vastly improved since 1801 visit. Charles Babbage and wife are in Paris. Received letters of introduction from Georges Cuvier, J. N. Nicollet, and J. P. Delessert for JH's expedition to Auvergne. Alexis Bouvard is recovering from fall. Georgianna Babbage has recovered and promised to write to MPH. [Letter continued 4 Sept. in Moulins:] Traveled more than 100 miles today. [Letter continued 5 Sept. in Clermont-Ferrand:] Massive flooding in Riom. Impressive view of volcanoes. [Letter continued 6 Sept.:] Will ascend Puy de Dôme today with two companions.

Contributor:
John Herschel Project

Herschel13243

From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[11 September 1826]
Source of text:
TxU:H/L-0518.3; Reel 1053
Summary:

Two unwanted companions caused JH to waste two days in Clermont-Ferrand. Describes volcanoes and high winds on peaks. Actinometer experiments on Puy de Dôme. Hunting fossil bones of extinct animals.

Contributor:
John Herschel Project

Herschel13244

From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[17 September 1826]
Source of text:
TxU:H/L-0518.4; Reel 1053
Summary:

Describes region around St. Flour, where servant James Child was seriously ill for two days. Low opinion of French physicians. Journey to Montpellier.

Contributor:
John Herschel Project

Herschel13245

From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[22 September 1826]
Source of text:
TxU:H/L-0518.5; Reel 1053
Summary:

Tour delayed at least one week. Clouds have restricted JH's actinometer experiments on mountains. Describes active volcano and vineyards near Agde. Ancient ruins in Nismes [Nîmes].

Contributor:
John Herschel Project

Herschel13246

From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[1 October 1826]
Source of text:
TxU:H/L-0518.6; Reel 1053
Summary:

Death of James Grahame's relative. Explored volcanoes in Vivarais Mountains. Describes Mont Blanc at sunset. Regrets bypassing St. Bernard. Expects to reach London by 13 Oct.

Contributor:
John Herschel Project

Herschel13247

From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[5 October 1826]
Source of text:
TxU:H/L-0518.7; Reel 1053
Summary:

Plans leisure sightseeing in Paris. Visited Louvre. [P.S. 7 Oct.:] Called on Alexis Bouvard yesterday. Met W. H. Wollaston, returning from Tyrol. Wrote to Caroline Herschel from Montpellier. Will view A. M. Ampère's electrical experiments today.

Contributor:
John Herschel Project

Herschel1374

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
28 January [1826?]
Source of text:
RS:HS 17.323
Summary:

Questions and comments regarding improvements in microscopy.

Contributor:
John Herschel Project

Herschel1375

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[1826-1]
Source of text:
RS:HS 17.324
Summary:

Comments on several experiments with spectra passing through glass films.

Contributor:
John Herschel Project

Herschel14697

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[18 November 1826]
Source of text:
TxU:H/M-0691.2; Reel 1084
Summary:

[Addition to Mary Baldwin's letter.] Health of JH's uncle. Travels through volcanic country of Vivarais. Asks CH to purchase for JH 10 copies of the first volume of William Herschel's works, recently translated into German. Sent to CH six copies of JH's 'Account of a Series of Observations Made with a 20-feet Reflecting Telescope' (1826) via Mr. Golterman, and six copies of JH's 'On the Parallax of the Fixed Stars' (1826) via Capt. Müller. James South received Copley Medal this year. Asks about comet near sun on 18 Nov.

Contributor:
John Herschel Project

Herschel1521

From:
Sir John Herschel
To:
Thomas Hodgkin
Date:
[24 January 1826]
Source of text:
WT.Ho A.1
Summary:

Is making arrangements to meet with TH in London.

Contributor:
John Herschel Project

Herschel1548

From:
Sir John Herschel
To:
Charles Babbage
Date:
[14 December 1826]
Source of text:
BL Aaa 32293.384
Summary:

Tells CB of the mistake on the certificate for admission [to the R.S.L.?] for Mr. Moreau, which meant it had to be withdrawn. Doubts that reapplication would be successful. Other news from London.

Contributor:
John Herschel Project

Herschel1960

From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[30 May 1826]
Source of text:
TxU:H/M-0180; Reel 1087
Summary:

Will send JH some barometric observations; describes the barometers with which the observations were made.

Contributor:
John Herschel Project

Herschel2056

From:
John Ramage
To:
Sir John Herschel
Date:
[29 May 1826]
Source of text:
RS:HS 14.298
Summary:

Discusses casting and construction of telescope speculae.

Contributor:
John Herschel Project

Herschel2057

From:
John Ramage
To:
Sir John Herschel
Date:
[30 September 1826]
Source of text:
RS:HS 14.299
Summary:

Discusses construction of his 20-foot reflecting telescope, which he modeled after the 40-foot reflector at Slough. Discusses differences of gallery and asks for advice.

Contributor:
John Herschel Project

Herschel2058

From:
Sir John Herschel
To:
John Ramage
Date:
[12 November 1826]
Source of text:
RS:HS 14.300 (C: RS:HS 20.241)
Summary:

Discusses the construction of JR's telescope. Mentions a number of material changes that must be made if it is to be used for sweeping [see JR's 1826-9-30].

Contributor:
John Herschel Project

Herschel2102

From:
William Ritchie
To:
Sir John Herschel
Date:
[14 December 1826]
Source of text:
RS:HS 14.350
Summary:

Heard election for position in London will not take place for several weeks. If JH can secure situation in Virginia for WR, WR will accept it.

Contributor:
John Herschel Project

Herschel2691

From:
William Somerville
To:
Sir John Herschel
Date:
[17 July 1826]
Source of text:
RS:HS 16.383
Summary:

Accepts dinner invitation. Hopes no emergencies arise that would prevent their visit.

Contributor:
John Herschel Project

Herschel2692

From:
William Somerville
To:
Sir John Herschel
Date:
[2 August 1826]
Source of text:
RS:HS 16.384
Summary:

If possible, send a magnetic needle and the prescription for mixing chrome green paint for Mrs. Somerville. Enjoyed visiting JH's mother.

Contributor:
John Herschel Project

Herschel2693

From:
Sir John Herschel
To:
William Somerville
Date:
[4 August 1826]
Source of text:
RS:HS 16.385 (C: RS:HS 20.236)
Summary:

Sends directions for chrome solution and the magnetic apparatus and instructions for its use, as requested [in WS's 1826-8-2]. Discusses experiments with magnets.

Contributor:
John Herschel Project

Herschel2734

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1826-2]
Source of text:
RS:HS 15.15
Summary:

Encloses a copy of a letter from the astronomer [George] Fisher, who strongly supports the practicability of work in Spitzbergen. Says the letter will be presented to the Council for its consideration in hopes that a special committee will be appointed. Urges JH to show the members the copy.

Contributor:
John Herschel Project
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