Scope and Contents Document Type: Technical Research Report Purpose: Authoritative reference Authority: Government Civil Document Number: Civil Aeronautics Bulletin No. 15, dated July 1, 1931.Scope (from Introduction): "The Aeronautics Branch, through its research division located at the Bureau of Standards, has carried out certain wind-tunnel studies of the standard type of lateral control of airplanes in relation to safety, which are summarized in this bulletin." Contents: Includes...