Bristol Blenheim. Bristol Blenheim Mk.l K7078:139 J of No.139 Squadron, RAF Wyton late 1937. Bristol Blenheim Mk.l K7045:114-Z of No.114 Squadron, RAF Wyton, 1938. Bristol Blenheim Mk.lf L1426:RX-M of No.25 Squadron seen at RAF Northolt, August 1939.
