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From:
Francis Lunn
To:
Sir John Herschel
Date:
23 September [1823?]
Source of text:
RS:HS 11.409
Summary:

Had difficulty with actinometer observations on Etna, but obtained a few. Has just obtained a living in Somerset. Is working for the Encyclopaedia Metropolitana at the moment but hopes to make a set of actinometer observations soon.

Contributor:
John Herschel Project
From:
Wilson Lowry
To:
Sir John Herschel
Date:
[25 April 1823]
Source of text:
RS:HS 11.492
Summary:

JH's geological specimen is a piece of granular quartz, found in great quantities in Berks, Wilts, and Herts. JH promised to show him some of the garnets found by [J. S.?] Henslow in Anglesea.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Marc Seguin
Date:
[22 June 1823]
Source of text:
RS:HS B26.61
Summary:

Will send MS's communication about the theory of caloric to some scientific journals, rather than the Astronomical Society, where it would be inappropriate. Comments on caloric theory.

Contributor:
John Herschel Project
From:
George Peacock
To:
Sir John Herschel
Date:
[19 March 1823]
Source of text:
RS:HS 13.285
Summary:

About matters relating to the building of the observatory.

Contributor:
John Herschel Project
From:
William Hasledine Pepys
To:
Sir John Herschel
Date:
[11 March 1823]
Source of text:
RS:HS 13.338
Summary:

Invites JH to London Institution to observe an experiment.

Contributor:
John Herschel Project
From:
Johann Wilhelm A. Pfaff
To:
Sir John Herschel
Date:
[13 December 1823]
Source of text:
RS:HS 13.378
Summary:

Is collecting and translating William Herschel's writings, projected for 4 volumes, the first one already being in press. Requests JH to provide additional biographical information about his father for one of the later volumes.

Contributor:
John Herschel Project
From:
Marc August Pictet
To:
Sir John Herschel
Date:
[29 November 1823]
Source of text:
RS:HS 13.399
Summary:

Letter of introduction for O. F. Mossotti.

Contributor:
John Herschel Project
From:
H. G. Goltermann
To:
Sir John Herschel
Date:
[27 August 1823]
Source of text:
TxU:H/L-0347.1; Reel 1054
Summary:

Has no record of payee on draft from Caroline Lucretia Herschel's account sent to HG by JH.

Contributor:
John Herschel Project
From:
Mr. Reugger
To:
Sir John Herschel
Date:
[20 September 1823]
Source of text:
RS:HS 14.478
Summary:

Explains that because of illness, Mr. Schenk, a skilled instrument maker, will not be moving to London. [Much of letter is illegible, but it contains a draft reply from JH.]

Contributor:
John Herschel Project
From:
Francis Lunn
To:
Sir John Herschel
Date:
[1823 to 1825]-7-9
Source of text:
TxU:H/M-0341.1; Reel 1087
Summary:

Will follow JH's instructions. Expects to find inst[rument?] at home of Mr. Mowman or at Leicester Square.

Contributor:
John Herschel Project
From:
Susan White
To:
Sir John Herschel
Date:
[23 November 1823]
Source of text:
TxU:H/M-0580.3; Reel 1093
Summary:

SW's nephew Henry White is coming to Cambridge with message from [servant] Sally, who misses JH.

Contributor:
John Herschel Project
From:
Mary Pitt Herschel
To:
Sir John Herschel
Date:
[4 February 1823]
Source of text:
TxU:H/M-0622.1; Reel 1086
Summary:

Hopes that letter from Mr. Langton does not mean more trouble. Flood has made 'Complete Prisoners' of residents at Slough. Glad that JH bought good horse. Advice on JH's laundry. Caroline Herschel's finances. Concern for Georg Griesbach's health. Regards from Susan White.

Contributor:
John Herschel Project
From:
Mary Pitt Herschel
To:
Sir John Herschel
Date:
[5 March 1823]
Source of text:
TxU:H/M-0622.2; Reel 1086
Summary:

Birthday greetings to JH. Severe wind damage at Slough, but telescopes are safe. News of acquaintances. Condition of JH's horse.

Contributor:
John Herschel Project
From:
Mary Pitt Herschel
To:
Sir John Herschel
Date:
6 October [1823]
Source of text:
TxU:H/M-0622.3; Reel 1086
Summary:

Wants news of visitors to Slough. Encloses papers from Thomas Young. Will send Young's plates later with Miss Delevaux.

Contributor:
John Herschel Project
From:
Unidentified
To:
Sir John Herschel
Date:
[1823 to 1829]-5-22
Source of text:
TxU:H/M-0912; Reel 1083
Summary:

Left 'proof plate' of William Herschel at JH's residence last week. Kept it in cottage for long time. Hopes it will find 'a better place' with JH.

Contributor:
John Herschel Project
From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[24 January 1823]
Source of text:
TxU:H/M-0936.4; Reel 1083
Summary:

Asks JH to pay CH's debt to his mother and deduct that amount from next annuity payment to CH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Robert M. Patterson
Date:
[28 March 1823]
Source of text:
APS (no i.d.)
Summary:

Writes to acknowledge the receipt of a volume of the Transactions of the Philosophical Society of Philadelphia.

Contributor:
John Herschel Project
From:
Heinrich Christian Schumacher
To:
Sir John Herschel
Date:
[8 August 1823]
Source of text:
RS:HS 15.370
Summary:

[J. W. A.] Pfaff plans to publish a translation and edition of all William Herschel's papers. Requests a catalogue of those papers and permission to publish a biography of his later years.

Contributor:
John Herschel Project
From:
Heinrich Christian Schumacher
To:
Sir John Herschel
Date:
[22 November 1823]
Source of text:
RS:HS 15.371
Summary:

Thanks for forwarded essay on physical astronomy. Remarks about method for precisely determining the power of a telescope. Has [C. L.] Harding's celestial atlas. Wanted to dedicate book to Astronomical Society, but asks privately whether permission is necessary.

Contributor:
John Herschel Project
From:
F. Trechsel
To:
Sir John Herschel
Date:
[29 November 1823]
Source of text:
RS:HS 17.375
Summary:

Sends letter by Mr. Massotti of the Milan observatory, who is leaving to find employment in England. Massotti wishes to sell his dividing machine in England. FT hopes to see JH in England at the reunion of the Societé Helvetique.

Contributor:
John Herschel Project