Telegram to William H. Cook, Jr. from his father, William H. Cook, Sr., March 19, 1939. Requests a response from Cook, Jr. following the crash of a Boeing 307 Stratoliner during a test flight on March 18, 1939. Cook, Jr. was supposed to be aboard the…
Telegram to William H. Cook, Sr. from his son, William H. Cook, Jr., March 19, 1939. Responds to Cook, Sr.'s previous telegram about the crash of a Boeing 307 Stratoliner during a test flight on March 18, 1939. Cook, Jr. states that he is okay, as he…
Program for a memorial service honoring the victims of a Boeing 307 Stratoliner crash, March 22, 1939. The crash occurred on March 18, 1939 during a test flight in Washington State. The program lists the ten victims: Julius Augustus Barr, Albert G.…
Letter to Mr. and Mrs. William H. Cook, Sr. from their son, William H. Cook, Jr., March 27, 1939. Addresses the crash of a Boeing 307 Stratoliner during a test flight on March 18, 1939 and describes the ongoing investigation and impact; Cook's boss,…
Tracking chart for a flight test program, circa 1940-1942. Tracks aircraft part installations and flights in various aircraft, including the Boeing B-17C, Boeing B-17E, Fairchild PT-19A, and Boeing XPBB. "W. Cook" [William Cook] is written on page 1.…
Memo to Flight and Aeronautics area, Boeing Plant 2, subject: "Air raid instructions," January 1942. Describes the emergency procedures for air raids and air raid drills. Two (2) typed pages.
List of personnel in the Flight and Aerodynamics Division, October 1, 1942. Notable names include Edmund T. Allen, William H. Cook, Jr., Lloyd T. Goodmanson, and George S. Schairer. Two (2) typed pages.
Inscription in top-left corner: "W.H.C."
Patent documents for an airplane flap control mechanism (patent no. 2,620,147), designed by Van B. Butler and William H. Cook, Jr., December 2, 1952. Includes a written description of the mechanism, diagrams, and a list of related patents. Seven (7)…
Patent documents for an airplane yaw damper (patent no. 2,672,307), designed by William H. Cook, Jr., Calvin E. Pfafman, and George S. Schairer, March 16, 1954. Includes a written description of the mechanism, diagrams, and a list of related patents.…
Patent documents for an airfoil control apparatus responsive to aircraft speed (patent no. 2,696,355), filed by Thorvold H. Larson, John D. Mayer, Calvin E. Pfafman, William H. Cook Jr., and John F. Kirkbride, December 7, 1954. Includes a written…