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Showing 21–40 of 67 items

Herschel10110

From:
Robert Grahame, Sr.
To:
Sir John Herschel
Date:
[25 March 1819]
Source of text:
RS:HS 9.1
Summary:

Unable to come to dinner on Saturday but hopes to see him in the evening.

Contributor:
John Herschel Project

Herschel12630

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

Herschel5163

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

Herschel5165

From:
Charles Babbage
To:
Sir John Herschel
Date:
[14 April 1819]
Source of text:
RS:HS 2.115
Summary:

Has received papers from J. B. Biot. Has been to the Customs and Excise. Functional equations.

Contributor:
John Herschel Project

Herschel5594

From:
Jean Baptiste Biot
To:
Sir John Herschel
Date:
[2 May 1819]
Source of text:
RS:HS 4.84
Summary:

Has been very busy; otherwise he would have answered his friendly letter earlier. Observations on tourmaline. Double refraction.

Contributor:
John Herschel Project

Herschel9958

From:
James Grahame
To:
Sir John Herschel
Date:
[7 May 1819]
Source of text:
RS:HS 8.293
Summary:

Family news and ramblings [letter completed 1819-5-23].

Contributor:
John Herschel Project

Herschel5166

From:
Sir John Herschel
To:
Charles Babbage
Date:
[8 May 1819]
Source of text:
RS:HS 2.116 (C: RS:HS 20.69 & C inc: TxU:H/L-0051.5; Reel 1054)
Summary:

Answers CB's question on the equation. Hopes to see him in London shortly. Chemical experiments.

Contributor:
John Herschel Project

Herschel7909

From:
Sir William Watson
To:
Sir John Herschel
Date:
[12 May 1819]
Source of text:
RS:HS 18.113
Summary:

Delighted that JH proposes to use William Herschel's 20-foot telescope.

Contributor:
John Herschel Project

Herschel5762

From:
Sir John Herschel
To:
David Brewster
Date:
[15 May 1819]
Source of text:
RS:HS 20.70
Summary:

Some additions to an article submitted about hyposulfurous acid; comments on work by J. B. Biot on polarization and double refraction of crystals.

Contributor:
John Herschel Project

Herschel3326

From:
Sir John Herschel
To:
John William Whittaker
Date:
[13 June 1819]
Source of text:
St. John's College, Cambridge
Summary:

Requests arrangements for JH's visit before and for Cambridge commencement. Asks whether JW would like to renew correspondence with James Grahame, and congratulates on JW's theological book.

Contributor:
John Herschel Project

Herschel9826

From:
James A. Gordon
To:
Sir John Herschel
Date:
[15 June 1819]
Source of text:
RS:HS 8.160
Summary:

Has not heard from him lately, though he wrote last year from Rome and gave him a resume of his travels. William Crackanthorpe is a good companion. The pavilion is being rapidly built. Would like JH to accept hospitality at his house. Gives news of friends.

Contributor:
John Herschel Project

Herschel8047

From:
Samuel Young
To:
Sir John Herschel
Date:
[17 June 1819]
Source of text:
RS:HS 18.314
Summary:

Mineral apophyllite [Argentine spar]. Offers gems and minerals from India for JH's experiments. David Brewster's papers raise questions about polarized light. Describes microscope SY found.

Contributor:
John Herschel Project

Herschel8149

From:
Ann Wilson
To:
Sir John Herschel
Date:
1 July [1819]
Source of text:
RS:HS 18.416
Summary:

Learned that JH has been ill since returning from Slough. Please visit soon.

Contributor:
John Herschel Project

Herschel12631

From:
Sir John Herschel
To:
Charles Babbage
Date:
1819-7
Source of text:
TxU:H/L-0051.6; Reel 1054
Summary:

Sent JH's paper on mother-of-pearl and paper on hyposulfurous acid to David Brewster. Tell Brewster of JH's discovery of optical structure in crystals of bicarbonate of potash. Would Brewster accept paper from JH enlarging the definition of crystals?

Contributor:
John Herschel Project

Herschel5169

From:
Sir John Herschel
To:
Charles Babbage
Date:
1819-7
Source of text:
RS:HS 2.119 (C: RS:HS 20.72)
Summary:

Wishing CB success in his efforts to obtain the position of professor at Edinburgh. Relates details of his recent experiments with bicarbonate of potash.

Contributor:
John Herschel Project

Herschel5763

From:
David Brewster
To:
Sir John Herschel
Date:
[14 July 1819]
Source of text:
RS:HS 4.244
Summary:

Is anxious to receive his article on hyposulfurous acid as the volume is almost ready for the printer.

Contributor:
John Herschel Project

Herschel5764

From:
Sir John Herschel
To:
David Brewster
Date:
[14 July 1819]
Source of text:
RS:HS 20.71 (C: TxU:H/L-0111; Reel 1054)
Summary:

Sends a paper on mother of pearl; apologizes for confused state of paper on hyposulfurous acid.

Contributor:
John Herschel Project

Herschel5167

From:
Charles Babbage
To:
Sir John Herschel
Date:
[24 July 1819]
Source of text:
RS:HS 2.117
Summary:

Has just returned from Lincolnshire. Will shortly be visiting Torquay. Would like to call on him if convenient. Has heard of a vacant professorship at Edinburgh University and may try for it. Gives an equation of W. H. Wollaston's.

Contributor:
John Herschel Project

Herschel7910

From:
Sir William Watson
To:
Sir John Herschel
Date:
[24 July 1819]
Source of text:
RS:HS 18.114
Summary:

Received JH's profile. Glad William Herschel's portrait is taken. WW has one from forty years ago. Lady Watson not well. Requests information about 'the comet.' Happy for account of Beckwiths.

Contributor:
John Herschel Project

Herschel5168

From:
Charles Babbage
To:
Sir John Herschel
Date:
[25 July 1819]
Source of text:
RS:HS 2.118
Summary:

Is going to Edinburgh to apply for the post left vacant by John Playfair's death. Would JH and his father give him certificates and references? [Note by Mrs. CB to the effect that her husband has heard that James Ivory will not be contesting the professorship at Edinburgh].

Contributor:
John Herschel Project
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