Boulton Paul P.71A commercial airplane (British) : a two-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, [1935]
Series:	Aircraft circulars ; no. 199.
Subjects:	P.71A (Transport plane)