The Westland "Widgeon III", "Cirrus II" or "Genet II" engine.

Bibliographic Details

Corporate Author:	United States. National Advisory Committee for Aeronautics
Format:	Book
Language:	English
Published:	Washington, [D.C.] : National Advisory Committee for Aeronautics, [1927]
Series:	Aircraft circulars ; no. 53.
Subjects:	Westland Widgeon (Transport plane)