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Hearn, George W. in correspondent 
Herschel, John in addressee 
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1840-1849::1847::01 in date 
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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