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APR CR-3 Circular Computer 3 3/4" Diameter
Our Price: $22.90   Retail Price$26.95
APR CR-4 Circular Computer 4 1/4" Diameter
Our Price: $22.90   Retail Price$26.95
APR CR-6 Circular Computer  6" Diameter
Our Price: $23.75   Retail Price$27.95

APR CR Circular Computers offer solid construction and proven performance. Whether you are solving wind triangles, polar grid navigation or pressure pattern flying. CR Computers prove their value every day. Useful in high and low speed problems. They automatically compensate for temperature rise and compressibility factors. Instruction manual and vinyl carrying case included.