The Delta flying at Witney in May 1939.

The little Delta shows its unique plan view at Witney in May 1939.

P. N. Willoughby standing by the Delta in May 1939.

The Delta wing under construction, seen upside down in its jig, Witney, 1938.

View of the Delta at Witney, May 1939.

The Delta flying shortly after its initial flight, at Witney in April 1939.

View of the Delta at Witney, May 1939. Note the small area of ailerons.

Scale model of the Delta 9. In each side wing is a cabin seating 18 passengers. Three liquid-cooled engines of 1,000 h.p. each are foreseen.

General arrangement of the Delta 8.