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Herschel, John in addressee 
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1840-1849::1849::05::22 in date 
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Herschel7001

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[22 May 1849]
Source of text:
RS:HS 6.254
Summary:

Sends extracts from book by Mr. Hopkins on the solar system. Has his own theories on the Augustan calendar proved to his own mind. No authority for giving the name Saras to the period of 223 lunations.

Contributor:
John Herschel Project

Herschel6467

From:
James Challis
To:
Sir John Herschel
Date:
[22 May 1849]
Source of text:
RS:HS 5.235
Summary:

Is grateful for his Outlines Astr. Comments on its quality and usefulness. Sends the first report of the Board of Mathematical Studies.

Contributor:
John Herschel Project
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