Quick view Add to Cart Engineering Handbook Series for U.S. & British Commonwealth of Nations Aircraft Metals Document Part Number: T.O. No. 1-1A-9, Formerly AN 01-1A-9 Number of pages: 256Part Number: T.O. No. 1-1A-9, Formerly AN 01-1A-9Revision Date: 12-Feb-1946 MSRP: Was: Now: $76.80