Speed-Time-Distance Calculator -NATO

The Blundell Harling Speed-Time-Distance Slide Rule is a practical navigation tool designed to simplify essential maritime calculations. By inputting any two variables—speed, time, or distance—you can quickly determine the third, facilitating efficient voyage planning and real-time decision-making. 

Crafted with a high-impact plastic outer sleeve, this slide rule ensures durability and longevity, even in demanding marine environments. Its compact size makes it convenient for use on various vessels, from small boats to larger ships.

290 x 56 mm

SKU: N881