From:
John Bradley Harbord
To:
Sir John Herschel
Date:
n.d.
Source of text:
Harvard: Houghton
Summary:
Proposes the distinguishing terms for types of navigation: 'geo-navigation' and 'celo-navigation.'
Contributor:
John Herschel Project
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Proposes the distinguishing terms for types of navigation: 'geo-navigation' and 'celo-navigation.'