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Ragg, Frederic W. in correspondent 
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From:
Frederic W. Ragg
To:
Sir John Herschel
Date:
[1861 to 1865]-3-23
Source of text:
TxU:H/M-0432; Reel 1093
Summary:

Claims to have demonstrated that light intensity increases as distance from light source increases. Applies this to inner planets, where sun should appear dimmer than on Earth. [JH annotation: 'Frivolous & Vexatious.']

Contributor:
John Herschel Project
Document type
Transcription available