S'land has it.
. It is indeed the Deekley Knight.
Side by side two seater powered by one Blackburn Cirrus Minor designed by S.C.Hart.Still and built by the Deekay Aircraft Corporation Ltd at Broxbourne in 1937. Only one aircraft built. Scrapped during the war.
the following patent gives details regarding the wing construction:-
CIPO - Patent - 383079
You have control S'land.