Search: Herschel, John in author 
1820-1829::1826 in date 
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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 Moreau, which meant it had to be withdrawn.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

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

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

Herschel2735

From:
Sir John Herschel
To:
Edward Sabine
Date:
[23 February 1826]
Source of text:
RS:HS 15.15b
Summary:

Denies any knowledge of a R.S.L. Council meeting. Trusts the council will make its decisions based on public duty and science, not on the fact that the decision must be defended in later discussions. Has passed [George] Fisher's letter on to members as ES requested.

Contributor:
John Herschel Project

Herschel2865

From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[28 February 1826]
Source of text:
RS:HS 20.229 (Abstract: RS:HS 17.106b)
Summary:

Informs WS that the Astronomical Society has voted WS a gold medal for WS's observations of double stars. Says he is now observing nebulae. Confirms receipt of WS's fourth volume of observations sent by [E. C. F.?] Knorre. Asks WS to verify [Henry] Kater's observations on black zones in Saturn's outer ring.

Contributor:
John Herschel Project

Herschel2866

From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[29 April 1826]
Source of text:
RS:HS 20.234 (Abstract: RS: RS:HS 17.106c)
Summary:

Sent medal to WS. Tells WS it was awarded to WS and [James] South. Speaks of [Francis] Baily's medal presentation speech. Lists books sent to WS.

Contributor:
John Herschel Project

Herschel3036

From:
Sir John Herschel
To:
Michael Faraday
Date:
[8 June 1826]
Source of text:
RI:F3.B67
Summary:

Comments on the intent of remarks appended to a paper of MF's.

Contributor:
John Herschel Project

Herschel3170

From:
Sir John Herschel
To:
[Michael Faraday]
Date:
[31 May 1826]
Source of text:
RI 363-5 F3B
Summary:

Wrote letter to clarify ideas, without intentions of publication. Discusses light and spectrum of Thomas Drummond's lamp.

Contributor:
John Herschel Project

Herschel3184

From:
Sir John Herschel
To:
[Michael Faraday]
Date:
[27 May 1826]
Source of text:
RI 359-62 F3B
Summary:

Comments extensively on paper on limit of vaporization and its significance in helping to settle ideas on constitution of the atmosphere.

Contributor:
John Herschel Project

Herschel3961

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[17 September 1826]
Source of text:
TxU:H/L-0571.2; Reel 1058
Summary:

Studying the volcanoes of Auvergne; hopes to use his newly-created actinometer at the Puy de Dôme.

Contributor:
John Herschel Project

Herschel4045

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[27 April 1826]
Source of text:
TxU:H/L-0571.1; Reel 1058
Summary:

Sent to CH a copy of James South's second paper on double stars and a synoptic catalog of them. Calls CH one of the first discoverers of the 'comet of 1795.' Sent to Astronomical Society a report on 300 new double stars.

Contributor:
John Herschel Project

Herschel5257

From:
Sir John Herschel
To:
Charles Babbage
Date:
1826-5[?]-24
Source of text:
RS:HS 2.202
Summary:

Encloses a letter from Dr. John Brinkley. Please send on his manuscript catalogue of nebulae. Regarding the reading and printing of CB's paper at the Analytical. Site for his pendulum experiments.

Contributor:
John Herschel Project

Herschel5259

From:
Sir John Herschel
To:
Charles Babbage
Date:
[25 September 1826]
Source of text:
RS:HS 2.204
Summary:

Geological remarks on the surrounding area and excursions made.

Contributor:
John Herschel Project

Herschel5450

From:
Sir John Herschel
To:
Charles Babbage
Date:
[1826-12]
Source of text:
RS:HS 2.397
Summary:

Regarding certificates at the R.S.L. Relates recent occurrences over form of certificates. Would like to see him at Christmas.

Contributor:
John Herschel Project

Herschel588

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[24 April 1826]
Source of text:
RGO 6.803.7
Summary:

Writes to urge GA to avail himself of the opportunity of working with Basil Hall in swinging the pendulum at Greenwich; concludes with a note for William Whewell about JH's view of the 'extremely irregular' figure of the earth.

Contributor:
John Herschel Project

Herschel589

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[6 July 1826]
Source of text:
RGO 6.803.9
Summary:

Comments on GA's observing in Cornwall, and on the geodetic calculations made by GA in a paper read by JH.

Contributor:
John Herschel Project

Herschel590

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[20 November 1826]
Source of text:
RGO 6.803.11
Summary:

Comments on a paper on achromatic eyeglasses submitted by GA to the R.S.L.; also on a paper of William Whewell's on the operation of a pendulum.

Contributor:
John Herschel Project

Herschel591

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[1826-10]
Source of text:
RGO 6.807.22
Summary:

A letter of introduction for a Mr. Thomson, who intends to go to South America and establish schools, and wishes to talk to GA about university education.

Contributor:
John Herschel Project
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