The Avro 631 training airplane (British) : a two-seat light 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, [1932]
Series:Aircraft circulars ; no. 161.
Subjects:
Description
Item Description:Cover title.
"May, 1932."
"From The Aeroplane, March 23, 1932."--P. [1].
Physical Description:6 pages, 6 unnumbered leaves of plates : illustrations ; 27 cm.