Weems & Plath Weems & Plath Nautical Slide Rule

Quick and simple to use

The 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.

Weems & Plath Nautical Slide Rule Features:

• Immediate solution to all speed-time-distance problems
• Equally applicable for nautical or statute miles
• Speed in knots or mph; time in hours, minutes or seconds;
  distance in nautical or statute miles, or yards if speed is in
  knots
• Easy-to-read and accurate
• Lifetime warranty 

NSN:  6675-01-556-9406

Weems & Plath Nautical Slide Rule Specifications:

• Length: 7.25 in (18.42 cm)
• Width: 7.25 in (18.42 cm)
• Height: 0.09 in (0.23 cm)
• Weight: 0.3 lb (0.23 cm)
• UPC Code: 721002001054
• HTS Code: 9017.20.4000