Unspecified / 1921
A practical manual of the compass; a short treatise on the errors of the magnetic compass, with the methods employed in
A practical manual of the compass; a short treatise on the errors of the magnetic compass, with the methods employed in
The Smithsonian catalogs A practical manual of the compass; a short treatise on the errors of the magnetic compass, with the methods employed in as books in its Compass records.
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Material from various sources originally compiled by Lieutenant Commander Harris Laning. cf. Pref.