Weems and Plath Nautical Slide Rule
The Weems and Plath Nautical Slide Rule is an excellent and pretty well essential tool for all mariners.
The Weems and Plath Nautical Slide Rule provides navigators with a foolproof tool for the calculation of the speed and time and distance calculation issues that form a daily part of seagoing vessel voyages.
The readings can be converted to either statute miles or nautical miles and this device is even able to enable you to calculate a distance in yards if the speed is factored in knots.
The Weems and Plath Nautical Slide Rule will quickly be found to be straightforward to work with. It comes with a lifetime warranty and when you know it is standard issue in the U.S. Navy, you will appreciate its standing in the world of navigation.
Weems and Plath Nautical Slide Rule
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