Written byT.W. Knacke, a leading authority in the field, it is widely used by engineers, researchers, model rocketry experts, and collectors of NASA‑era technical literature. Aerodynamic principles of parachute performance.
This is the original 1984 booklet from Hazelden. The lower inside corner is bent and there is a price of 1.50 at the top right hand side. Inside pages are clean and fairly white and the staples are still pretty shiny.
This consist of three single fold cards of AA literature from our friends across the sea. The 1st is a single fold card wallet card forI am Responsible from 2024. It is a bit smaller than the other two cards.
