Lot 245
Three volumes of Sir Barnes Wallis' patents from 1917-1963, text and fold out schematics, 4to, bound in three-quarter red morocco and cloth, the spines with gilt lettering "PATENT SPECIFICATIONS VOL 1, 2 and 3". Pencil dedication to endpaper in volume 1 "B.N.W A memento of an American adventure Oct. 1948. Harry Mushlain". Wallis' bookmarks throughout vol. 1 and 3.  £400-600