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Nautical Slide Rule

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 in knots.) Easy to read and accurate. Standard in U.S. Navy. Dims: 7-3/8" square. Wt. 5 oz.

SKU: 105
Price: $19.00