Search: Herschel, John in correspondent 
Henderson, Ebenezer in correspondent 
1850-1859 in date 
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Herschel10401

From:
Ebenezer Henderson
To:
Sir John Herschel
Date:
[9 May 1850]
Source of text:
RS:HS 9.281
Summary:

Sends his fractional approximation of a sidereal revolution. Would like his opinion on its accuracy. Clock will not be finished for several years.

Contributor:
John Herschel Project

Herschel4140

From:
Ebenezer Henderson
To:
Sir John Herschel
Date:
[20 May 1850]
Source of text:
Harvard: Houghton AAH 67m-67 (51)
Summary:

Requests JH's opinion on his calculation on 'solar and sidereal ratios.'

Contributor:
John Herschel Project
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