Compas diviseur proportionnelle

The 8 inch long Proportional Divider is a highly accurate speed-time-distance computer. Using this divider, any distance picked off a chart between divider points can be immediately converted to unknown speed or time.

• Made in Germany of silver/nickel alloy with stainless steel points.
• Lifetime warranty
• Weight: 0.5 lb (227 g)
• Dimensions: 8" (203 mm)