D.H. 86 "Express Air Liner" (British) : a four-engine biplane.

Bibliographic Details

Corporate Author:	United States. National Advisory Committee for Aeronautics
Format:	Book
Language:	English
Published:	Washington, [D.C.] : National Advisory Committee for Aeronautics, [1934]
Series:	Aircraft circulars ; no. 189.
Subjects:	D.H. 86 (Transport plane)