- Aircraft Instruments and their Maintenance
- by American School of Aircraft Instruments
- Dated 1941
- 25 lessons compiled in one course book
- 11.5" x 9" x 2"
- A wide range of aviation text with supporting diagrams
- This has signs of wear from age, storage and regular use
- Front cover is bowed inward
- Pages have edge wear
- All legible and has survived quite well considering the age
- Hard to find
- Please see all photos, they are of the actual product