Search: Herschel, John in correspondent 
1810-1819 in date 
Herschel, John in author 
Sorted by:

Showing 101120 of 137 items

From:
Sir John Herschel
To:
David Brewster
Date:
[20 November 1818]
Source of text:
RS:HS 20.58
Summary:

Further about additional mathematical articles for the Edinburgh Encyclopaedia; comments on DB's intention to start a new 'superior' science journal.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[2 December 1818]
Source of text:
TxU:H/L-0051.2; Reel 1054
Summary:

Cannot meet CB in London this week. Has verified composition of [hyposulfurous] acid. Encloses crystal of 'sulpho=sulphite of lime.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[2 December 1818]
Source of text:
RS:HS 2.101 (C: RS:HS 20.59)
Summary:

Thanks CB for his advice about applying for the post of Astronomer Royal when it becomes vacant, but does not think himself qualified. Will not be able to come to London this weekend. Regarding his new acid.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[6 December 1818]
Source of text:
TxU:H/L-0051.3; Reel 1054
Summary:

Fifth [1817] edition of Thomas Thomson's System of Chemistry shows previous discovery of JH's 'new acid,' but its reported composition is wrong.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[6 December 1818]
Source of text:
RS:HS 2.103 (C: RS:HS 20.60)
Summary:

Thanking CB for CB's further remarks on the Greenwich post. Further regarding his new acid.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[James] Moyes
Date:
[10 December 1818]
Source of text:
Adler Ms. 13
Summary:

Sends JM material for inclusion in Mathematical Essays by the Late William Spence, Esq., ed. by JH. [Includes manuscript of final paragraph of JH's Preface to this book.]

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[12 December 1818]
Source of text:
RS:HS 2.104 (C: RS:HS 20.61)
Summary:

Remarks on CB's article on analysis and the examples used. Hopes to see him at Christmas; then they can talk about the projected visit to Paris.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[20 December 1818]
Source of text:
RS:HS 2.106
Summary:

Hopes CB will visit Slough soon to discuss the proposed trip to Paris. Gives a sketch of his investigations on theorems connected with series.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[1819?]
Source of text:
RS:HS 2.362 (C: RS:HS 20.67)
Summary:

Cannot accompany CB to Deptford because JH busy with James South. Mentions the 'Pearsonian dinner,' 'plagi[h]edral' crystals, and a letter by Wilhelm Olbers.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
1819
Source of text:
RS:HS 3.33 (C: RS:HS 20.62)
Summary:

Acknowledges in JH's father's name FB's notice of the upcoming annular eclipse of 1820. Stresses the importance of observing it.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
David Brewster
Date:
[11 January 1819]
Source of text:
TxU:H/L-0110; Reel 1054
Summary:

Mr. Murray will bring to DB two papers by JH, one on hyposulfurous acid and one on mathematical analysis, plus requested abstract of JH's and William Herschel's 'last papers' in R.S.P.T.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
David Brewster
Date:
[11 January 1819]
Source of text:
RS:HS 20.63
Summary:

Note to accompany the sending of some papers; JH is off to Paris.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[11 January] 1819
Source of text:
TxU:H/M-0626.1; Reel 1086 (ALS? & C: TxU:H/L-0514.1; Reel 1053)
Summary:

JH arrived safely yesterday and attended event at home of Sir Joseph Banks. Dr. [Matthew] Baillie asked about Lady Mary Herschel. JH and Charles Babbage, preparing to tour France, leave tomorrow for Dover. Wishes better health for MH and William Herschel.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[12 January 1819]
Source of text:
TxU:H/L-0514.2; Reel 1053
Summary:

Will sail tomorrow for Calais. Could not find Mr. Armstrong in Dover.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[17 January 1819]
Source of text:
TxU:H/L-0514.3; Reel 1053
Summary:

Arrival in France. Travel companions. JH and Charles Babbage will go to Institute tomorrow to visit J. B. Biot, S. D. Poisson, and other mathematicians.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Sir William Watson
Date:
[15 February 1819]
Source of text:
RS:HS 18.112 (C: RS:HS 20.64)
Summary:

JH's father and mother will call on WW during visit to Bath, scheduled after wedding of JH's cousin. Spent three weeks meeting science luminaries in Paris. Notes continuity of scientific endeavors there over three generations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[17 February 1819]
Source of text:
RS:HS 2.109 (C: RS:HS 20.65)
Summary:

Would he please forward the letters and papers which he left behind.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[19 February 1819]
Source of text:
RS:HS 2.110 (C: RS:HS 20.66)
Summary:

Is anxious to hear how his wounds are progressing. Will not be able to come to town yet owing to various circumstances. New chemical experiments.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[25 March 1819]
Source of text:
TxU:H/L-0051.4; Reel 1054
Summary:

Made apparatus for showing rings between 'two Tourmalines.' JH's process for making hyposulfurous acid. Praises W. H. Wollaston's analysis of CB's 'Tonquinate.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[25 March 1819]
Source of text:
RS:HS 2.113 (C: RS:HS 20.68)
Summary:

Regarding the disposal of the tourmaline. Address of his cousin. Drawing and description of the apparatus for experiments on tourmaline. Chemical experiments.

Contributor:
John Herschel Project