From:
Frederick Howlett
To:
Sir John Herschel
Date:
19] March [1864
Source of text:
RS:HS 19.227
Summary:
Drawing of 'the singular mottled appearance of portions of the Sun's disk ... March 19th 1864'.
Contributor:
John Herschel Project
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Drawing of 'the singular mottled appearance of portions of the Sun's disk ... March 19th 1864'.