Lot 1323 , Two original 1940s artwork black and white technical drawings of cross sections of aircraft by G.H. Davis, drawn for The Sphere, (Illustrated London News), showing a Douglas DC-3, dated 1947 and a visual diagram explaini

Two original 1940s artwork black and white technical drawings of cross sections of aircraft by G.H. Davis, drawn for The Sphere, (Illustrated London News), showing a Douglas DC-3, dated 1947 and a visual diagram explaining the sonic barrier (1951), largest 40.5 x 67cm
£60-80

Sold for £30