Search: Herschel, John in correspondent 
Hearn, George W. in correspondent 
1840-1849::1847 in date 
John Herschel Project in contributor 
letter in document-type 
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Showing 16 of 6 items

From:
George W. Hearn
To:
Sir John Herschel
Date:
[6 January 1847]
Source of text:
RS:HS 9.269
Summary:

Has been investigating the Cavendish experiments recently repeated by Francis Baily. Thinks G. B. Airy has neglected the resistance of the air in his mathematical theory. Would like to send an abstract of his investigations so that JH can judge their merits.

Contributor:
John Herschel Project
From:
George W. Hearn
To:
Sir John Herschel
Date:
[11 January 1847]
Source of text:
RS:HS 9.270
Summary:

Is grateful for his letter on the Cavendish experiment. Gives outline of his own theories regarding certain aspects of the Cavendish experiments, and would like his opinion on these before they are incorporated into a paper.

Contributor:
John Herschel Project
From:
George W. Hearn
To:
Sir John Herschel
Date:
[22 January 1847]
Source of text:
RS:HS 9.271
Summary:

Sends his manuscripts. Discusses some of Michael Faraday's experiments, in particular his theory on the non-magnetism of blood. Has sent Faraday a paper on the action of voltaic currents.

Contributor:
John Herschel Project
From:
George W. Hearn
To:
Sir John Herschel
Date:
[1 February 1847]
Source of text:
RS:HS 9.272
Summary:

Thanks for prompt reply. Does know something about blood and circulation, but may not have expressed himself clearly. Thinks Michael Faraday has made important discoveries in magnetism and electricity.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George W. Hearn
Date:
[2 February 1847]
Source of text:
RS:HS 9.273 & 22.299
Summary:

Is little conversant in physiology so is unable to discuss GH's theories. Suggests some alterations to the text of the article.

Contributor:
John Herschel Project
From:
George W. Hearn
To:
Sir John Herschel
Date:
[5 February 1847]
Source of text:
RS:HS 9.274
Summary:

Agrees wholeheartedly with JH's recommendation for his paper. Will rewrite it if necessary. Hopes JH will produce a second edition of his work on finite differences.

Contributor:
John Herschel Project