Roy Cross. Handley Page H.P.42. Four-engine biplane airliner. Designed by George Volkert and Harold Boultbee. 4 built 1830. None survive. From a card set called Histroy of Aviation Brooke Bond, 1973. #RoyCross #aviation #HandleyPage #GeorgeVolkert #HaroldBoultbee #BrookeBond