National Aeronautic Association of U.S.A., glider's certificate for William H. Cook, Jr., August 5, 1935. Certificate is bound in a red leather cover and includes an identification photograph of Cook.Title on cover: "Federation Aeronautique…
Manuscript titled "A brief history of airplane surface controls and the means of actuation at Boeing," written by William H. Cook, Jr., August 30, 1985. Addresses different flight control surfaces used at Boeing and the development of new ones over…