evansb steals the thunder again.
It is indeed the cockpit of the Boulton and Paul's P.8 Atlantic.
The Boulton and Paul P.8 was built from the outset as a contestant for the Daily Mail prize for the first nonstop transatlantic crossing.Only two prototypes were built.Unfortunately the first P.8 crashed on its first flight after an engine cut-out. The second P.8 was finally completed as an airliner prototype and test bed but no orders were received for it.
Bri, you have control.