Proportional Divider - Captain's Nautical Books & Charts

The 8 inch long Proportional Divider is a highly accurate speed-time-distance computer. Overview Use to accurately calculate speed-time-distance. Easily transfer points between different scale charts. Distance, picked off chart between divider points, can be immediately converted to speed or time. Silver/ nickel alloy

Map measure of the month: W&HC navigation dividers – Three Points of the Compass

Horizon Nautical - Captain's Nautical Books & Charts

Nautical Charts - Captain's Nautical Books & Charts

5MOONSUN5 Proportional Divider Set of 5, Full Brass Dividers with Executive Wooden Box, Single Handed 8 Brass Navigational Dividers

NAUTICAL & NAVIGATIONAL DIVIDER SET | Drafting Proportional | Compass | - Ideal for measuring distances on maps and charts when sailing at sea, or

Proportional Divider Set of 5, Full Brass dividers with Executive Wooden Box, Single Handed 8 Brass Navigational Dividers Compass Set for Maritime

Chart divider hi-res stock photography and images - Alamy

Course Plotting Tools Page 2 - Captain's Nautical Books & Charts

Nautical Charts - Captain's Nautical Books & Charts

Nautical Charts - Captain's Nautical Books & Charts