Search: Herschel, John in correspondent 
1860-1869::1864 in date 
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Showing 1–20 of 357 items

Herschel9372

From:
Alexander Elder
To:
Sir John Herschel
Date:
[4 April 1864]
Source of text:
RS:HS 7.124
Summary:

Would like JH's recommendation to obtain a place in Greenwich School for a foster son of his own.

Contributor:
John Herschel Project

Herschel5827

From:
Alfred Brothers
To:
Sir John Herschel
Date:
[27 October 1864]
Source of text:
RS:HS 4.296
Summary:

Is preparing a lecture on photography and wonders if JH was the inventor of the hyposulfite fixing process.

Contributor:
John Herschel Project

Herschel5829

From:
Alfred Brothers
To:
Sir John Herschel
Date:
[2 November 1864]
Source of text:
RS:HS 4.298
Summary:

Is grateful for his letter regarding the claim for the discovery of the hyposulfite fixing process.

Contributor:
John Herschel Project

Herschel5830

From:
Alfred Brothers
To:
Sir John Herschel
Date:
[7 November 1864]
Source of text:
RS:HS 4.299
Summary:

Regarding the differences between portraits and photographs. Is sending him some magnesium for photographic purposes.

Contributor:
John Herschel Project

Herschel4361

From:
Alfred Potiquet
To:
Sir John Herschel
Date:
[24 May 1864]
Source of text:
RS:HS 14.179
Summary:

Discusses work on biographies of scientific men.

Contributor:
John Herschel Project

Herschel4336

From:
Alfred Potiquet
To:
Sir John Herschel
Date:
[20 September 1864]
Source of text:
RS:HS 14.180
Summary:

Asks for information on William Herschel.

Contributor:
John Herschel Project

Herschel14626

From:
Alfred Yeomans
To:
Sir John Herschel
Date:
[5 January 1864]
Source of text:
TxU:H/M-0611; Reel 1086
Summary:

Poses question of sun's differential gravitational attraction on opposite sides of earth, inspired by JH's article ['Sun,' 1863] in Good Words.

Contributor:
John Herschel Project

Herschel10183

From:
Amédée Victor Guillemin
To:
Sir John Herschel
Date:
[13 December 1864]
Source of text:
RS:HS 9.70
Summary:

Was pleased to receive JH's letter and criticisms on his book Le ciel. Comments on some of JH's criticisms.

Contributor:
John Herschel Project

Herschel7160

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[12 February 1864]
Source of text:
RS:HS 6.368
Summary:

Hopes all are well. Comments on Charles Babbage's latest book. Intends telling the truth about James Ivory's delusions. Sends proof that ten is an even number.

Contributor:
John Herschel Project

Herschel7162

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[2 May 1864]
Source of text:
RS:HS 6.369
Summary:

Returns a book of poetry. His family is at Hastings. Sends a theorem.

Contributor:
John Herschel Project

Herschel7166

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[15 July 1864]
Source of text:
RS:HS 6.370
Summary:

Does not like the sound of the bronchitis. Gives a remedy that he found effective. Gives one of his own ciphers.

Contributor:
John Herschel Project

Herschel7168

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[24 July 1864]
Source of text:
RS:HS 6.371
Summary:

Has been in a state of collapse all day, but a dose of '02H' has worked wonders. Gives anecdotes of Diogenes and Plato.

Contributor:
John Herschel Project

Herschel7169

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[18 August 1864]
Source of text:
RS:HS 6.372
Summary:

Did JH know when he was Master of the Mint that Isaac Newton had introduced a golden quarter-guinea? Most of his family are at Aldeburgh. Does he know Tristram Shandy's sense of proportion? Charles Babbage has become a public benefactor by the passing of the act against barrel organs.

Contributor:
John Herschel Project

Herschel7171

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[21 August 1864]
Source of text:
RS:HS 6.373
Summary:

Has a quarter sovereign given him by Thomas Graham. Will mention the coin in Notes and Queries. Gives a pun on his own name. Anecdote of rain in India when his father and mother were travelling.

Contributor:
John Herschel Project

Herschel7172

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[13 September 1864]
Source of text:
RS:HS 6.374
Summary:

Regarding the antiquity of the + and - signs. Origin of quid vides.

Contributor:
John Herschel Project

Herschel7174

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[16 September 1864]
Source of text:
RS:HS 6.375
Summary:

Hears that JH sits in his study with a stove. This is unhealthy for anyone with bronchial tendencies.

Contributor:
John Herschel Project

Herschel7175

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[20 September 1864]
Source of text:
RS:HS 6.376
Summary:

JH expressed himself with great precision in the old Discourses. Concerning one of the publications of the B.A.A.S.

Contributor:
John Herschel Project

Herschel7176

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[2 October 1864]
Source of text:
RS:HS 6.377
Summary:

Has long advocated the right to contract. Has no fear that the metrical system will become compulsory. American named J. W. Nystrom wishes to introduce a unit of 16. Comments on the Bible being 'every word of it is God's word.'

Contributor:
John Herschel Project

Herschel13751

From:
Bewicke Blackburn
To:
Sir John Herschel
Date:
[12 April 1864]
Source of text:
TxU:H/M-0106; Reel 1087
Summary:

Describes convection phenomenon observed in hot varnish boiler. This may explain sunspots.

Contributor:
John Herschel Project

Herschel6313

From:
Bewicke Blackburn
To:
Sir John Herschel
Date:
[17 May 1864]
Source of text:
RS:HS 5.74
Summary:

Regarding his own experiments with the froth of boiling oil.

Contributor:
John Herschel Project
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