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Weems Vec Vectromaster

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This permits rapid solutions to problems involving vectors, such as those encountered in current sailing, determination of true wind direction and force, and apparent wind to be expected on other headings. A circular slide rule is located on the reverse for the quick solution of time, speed and distance. Instruction booklet included.
$56.99
Catalog# WP501V

This permits rapid solutions to problems involving vectors, such as those encountered in current sailing, determination of true wind direction and force, and apparent wind to be expected on other headings. A circular slide rule is located on the reverse for the quick solution of time, speed and distance. Instruction booklet included.