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Piddington, Henry in correspondent 
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1840-1849::1848 in date 
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From:
Henry Piddington
To:
Sir John Herschel
Date:
[23 May 1848]
Source of text:
RS:HS 13.404
Summary:

Uses the barometer for measuring both vertical and horizontal distances, and believes the rotation of cyclones may be connected to the sunspot activity.

Contributor:
John Herschel Project
Document type
Transcription available