This listing features a Weems & Plath Nautical Slide Rule, a classic tool used for marine navigation, specifically designed to calculate time, speed, and distance at sea. Ideal for sailors, navigators, and collectors of nautical instruments, this slide rule offers a practical solution for common maritime calculations.
Model: Weems & Plath Nautical Slide Rule
Function: Time-Speed-Distance calculations for marine navigation
Material: Durable plastic/paper construction, waterproof
Dimensions: Approximately 7.5 inches square
Condition: Used, with visible yellowing and signs of wear consistent with age and use; remains fully functional
Features:
Provides immediate solutions to all common speed/time/distance problems
Converts between nautical and statute miles
Computes distance in yards when speed is factored in knots
Speed in knots or MPH; time in hours, minutes, or seconds
Distance in nautical or statute miles (or yards if desired, and if speed is in knots)
Easy to read and accurate
Standard in U.S. Navy
A practical and collectible nautical calculator, perfect for maritime enthusiasts, naval history collectors, or anyone interested in traditional navigation tools.