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July 2009
96-page logbook for recording compass and gyro errors. Includes handy variation charts, as well as full-colour sky-at-night views of the main constellations with navigable stars highlighted.
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An easy to use Compass Error Book with tabulated pages. Includes both variation charts and colour plans of the main constellations. One of a series of essential onboard logbooks produced by Witherby Publishing Group.
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