Blundell Harling NATO Speed-Time-Distance Calculator hydrographic department – Sandy Duker

– Sandy Duker

with Chris featuring as a history expert on TV and radio

Choosing the right boat

Sanda Island (1:30

Her story is a testament to resilience

Blundell Harling NATO Speed-Time-Distance Calculator hydrographic department – Sandy DukerThe Blundell Harling Speed Time Distance Slide Rule is a practical navigation tool designed to simplify essential maritime calculations. By inputting any two variablesspeed, time, or distanceyou 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