ey

16.

17.

AIRCREW SERIES—ARMS
Eight Composite Fatigue Curves—_
Propressively Maproved PrOUUCHON 6. ove el eee bee 36

Four Composite Curves of Condition.
Progresivery ecreased COss. 660s Bie ek es 36

PART III

Sample Fatigue Curves Showing Variations in
Pity OG, ENGUran Ge sg 9. ea he ca eee eae 47

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