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

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

The Delta flying at Witney in May 1939.

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

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

View of the Delta at Witney, May 1939.

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

The Delta 9 would have carried 18 passengers in each side wing and would have been powered by cooled 1,000 h.p. engines.