Air navigation, British empire edition /
Weems, P. V. H. 1889-
Air navigation, British empire edition / P. V. H. Weems ; Edited by Arthur J. Hughes and P. F. Everitt. - 2nd ed. - London : McGraw-Hill, 1942. - xii, 519 p. : illus. ; 23cm.
Includes index.
Navigation (Aeronautics)
629.1325 / WEA
Air navigation, British empire edition / P. V. H. Weems ; Edited by Arthur J. Hughes and P. F. Everitt. - 2nd ed. - London : McGraw-Hill, 1942. - xii, 519 p. : illus. ; 23cm.
Includes index.
Navigation (Aeronautics)
629.1325 / WEA