Nautical Slide Ruler (Weems & Plath 105) Ceram Sea Scale: 1:244

Scale: 1:244

explaining in jargon-free

UPC Code: 721002003256

seafarers will ensure safer voyages and enhanced situational awareness on the bridge

Nautical Slide Ruler (Weems & Plath 105) Ceram Sea Scale: 1:244The Nautical Slide Rule offers a foolproof, immediate solution to all common speed time distance problems and is convertible to statute or nautical miles. It also allows the user to compute distance in yards if the speed is factored in knots. The Nautical Slide Rule is sometimes referred to as a Time Speed Distance Calculator. Immediate solution to all speed time distance problems Equally applicable for nautical or statute miles Speed in knots or mph;