Cross Section of The Imperial Airways Handley Page Hp42 Airliner G-Aaxf "Helena" 1930s - fold out detailed print by aviation artist G H Davis. Print is adhered to the original board mount and folds out to show a beautifully detailed drawing, two flaps lift to reveal the cross section/interior of the aeroplane, plus page of detailing text about this aircraft, 14" x 10"