Gives immediate solution to all speed-time-distance problems. Equally applicable for nautical or statute miles. Speed in knots or m.p.h., time in hours, minutes, or seconds, and distance in nautical or statute miles (or yards if desired, and if speed is i
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Boat Compasses, Boats & Equipment, Fishing, Fishing Watercraft & Trolling Motors
Weems & Plath Marine Navigation Nautical Slide Rule
Amazon.com Price: $24.99 $20.00 (as of 19/04/2017 02:37 PST- Details)
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