Rotary wing aircraft handbooks and history.
Prepared for Wright Air Development Center, Air Research and Development Command, United States Air Force, Wright-Patterson Air Force Base, Ohio, under Contract No. W33-038 ac-21804 (20695)

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Item Link Original Source
Full view   v.6-7 University of Michigan
Full view   v.10 University of Michigan
Full view   v.11 University of Michigan
Full view   V.13 University of Michigan
Full view   v.14 University of Michigan