Nautical Slide Ruler (Weems & Plath 105) Q - Bering Sea & North Pacific Ocean and educational institutions

and educational institutions

Knowledge of metal corrosion and its prevention are vital for the safety and integrity of a boat

Tuvalu to Butaritari is a standard nautical chart

we understand the critical importance of proper flag state identification

British Admiralty Nautical Chart  2615: England - South Coast

Nautical Slide Ruler (Weems & Plath 105) Q - Bering Sea & North Pacific Ocean and educational institutionsThe 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;