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Herschel, John in correspondent 
Mathews, Jr., William in correspondent 
1860-1869::1868 in date 
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From:
William Mathews, Jr.
To:
Sir John Herschel
Date:
[16 September 1868]
Source of text:
RS:HS 12.303
Summary:

While in Switzerland requested his wife to send to JH a little tract on Count de S. Robert's hypsometrical investigations. Found that Robert's formulae worked correctly for ordinary European heights. Realizes that JH demolished Robert's theories, but Robert also showed observations on P. S. Laplace's theories.

Contributor:
John Herschel Project