Weems & Plath Marine Navigation Nautical Slide Rule
Bored on a trans atlantic crossing? Or just want to make sure you’re position is annotated accurately throughout your voyage? The slide rule 105 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. It will also handle yards if desired. The Rule itself is 7 3/8" square, while the slipcase measures 8 1/8" x 7 5/8"
Bored on a trans atlantic crossing? Or just want to make sure you’re position is annotated accurately throughout your voyage? The slide rule 105 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. It will also handle yards if desired. The Rule itself is 7 3/8" square, while the slipcase measures 8 1/8" x 7 5/8"
Bored on a trans atlantic crossing? Or just want to make sure you’re position is annotated accurately throughout your voyage? The slide rule 105 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. It will also handle yards if desired. The Rule itself is 7 3/8" square, while the slipcase measures 8 1/8" x 7 5/8"