Circular Computer CR-3 (Jeppesen)

 New Circular Computer CR-3 (Jeppesen)

very rugged precision instrument, designed to ensure performance quality '.
din Lets solve all the problems of flight at low or high speed '.
Try the automatic compensation of temperature increases and compressibility factors'.
Jeppesen rulers are available in two models, while still providing the same performance differ in their diameter.
Instruction for using the CR-3 included

Case vinyl material
Diameter: 15.2 cm.