Description
The Pooleys CRP-9 is a 140mm circular computer. Its circular slide rule side is that of the CRP-5, with a clear durable cursor, and coloured scales and lettering for clarity. It is made in the UK.
Key features
- 140mm diameter
- Circular slide rule side of the CRP-5, with clear durable cursor
- Calculates and converts temperature, time, distance, volume, altitude and density altitude, speed, weight, fuel and endurance, plus multiplication, division, the 1 in 60 rule and compressibility correction
- Coloured scales and lettering











