E6-B flight computer

E6-B Flight Computer for calculating wind speed, temperature, and magnetic variation.
- Model: E6-B flight computer
- Accessories: Complete instruction manual, vinyl case
- Functions: Calculates wind speed, temperature, and magnetic variation
- Manufacturer: Aero Products Research, Inc.
- Specifications: Meets FAA AC 60-8 requirements
Purchased approximately 40 years ago at the Santa Monica Airport shop in Los Angeles and kept unused. The unit itself is in near-mint condition, but the case has signs of age (please refer to photos).

Thank you for looking.