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1
Be expert with map & compass the complete orienteering handbook
Foilsithe / Cruthaithe 1994Table of contents
LEABHAR -
2
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3
Be expert with map & compass the complete "orienteering" handbook
Foilsithe / Cruthaithe 1976LEABHAR -
4
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5
Magnetic compass deviation and correction a manual of the theory of the deviations and mechanical correction of magnetic compasses in ships
Foilsithe / Cruthaithe 1951LEABHAR -
6


