Weems & Plath Marine Navigation Nautical Slide Rule

Instant Navigation Solutions: Effortlessly solve all speed-time-distance problems with our Nautical Slide Rule, designed for both nautical and statute miles Versatile Unit Conversions: Calculate speed in knots or mph, time in hours, minutes, or seconds, and distance in nautical, statute miles, or yards Easy-to-Read & Accurate: Our slide rule's clear design ensures quick and precise calculations, even in challenging marine conditions Durable & Portable: Crafted from robust ABS plastic, it's lightweight and compact, fitting easily into your pocket or bag Standard in U.S. Navy: Trusted by professionals, this slide rule is a staple in marine navigation, ensuring reliability and performance