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Herschel, John in correspondent 
1860-1869::1864::01 in date 
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Herschel7739

From:
Richard Christopher Carrington
To:
Sir John Herschel
Date:
[15 January 1864]
Source of text:
RAS:JH Archive 13/2.1; Reel 10
Summary:

RC's book [Observations of the Spots on the Sun] is done. First copy, exhibited at R.A.S. last week, was well reported in R.A.S.M.N. Will send copy to JH.

Contributor:
John Herschel Project

Herschel7740

From:
Richard Christopher Carrington
To:
Sir John Herschel
Date:
[18 January 1864]
Source of text:
RAS:JH Archive 13/2.2; Reel 10
Summary:

Formulas for determining rotation rates of sunspots relative to latitude on solar surface. Believes equatorial parts of photosphere are dragged faster than others. Speculates on rotation rate of solid body below (if such exists).

Contributor:
John Herschel Project
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