From:
Sir John Herschel
To:
John William Lubbock
Date:
[1840]
Source of text:
RS MM 11.191
Summary:
On the 'misfortunes & mishaps' of the Aden magnetic observatory and on the proper care of magnetical instruments.
Contributor:
John Herschel Project
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On the 'misfortunes & mishaps' of the Aden magnetic observatory and on the proper care of magnetical instruments.