Weems & Plath VEC Vectormaster - 501V

This Vectormaster circular slide rule is designed for quick navigation calculations, including time, speed, distance, and fuel consumption. Its two-sided design helps solve vector problems related to wind and current for precise course plotting.

Features:

• Two-sided circular slide rule for versatile navigation calculations
• Durable PVC construction ensures long-lasting use in marine environments
• Rotating dial enables fast solutions for vector-based problems
• Includes conversion, multiplication, and division functions for varied applications
• Printed instructions on the back provide easy reference during use

Specifications:

• Diameter: 7" (178 mm)
• Thickness: 0.2" (5 mm)