Duke Wins At Monza -- Ken Kavanagh (right) of Australia Congratulates Britain;s Geoffrey Duke, after the latter had won the 350 CC Motorcycle event of the grand Prix Des Nations At Monza, Italy, September 9. Kavanagh was second, Both were riding Nortons.Britain's Geoffrey Duke, riding a Norton, won the 350 C.C. Motorcycle event in the grand Prix Des Nations At Monza, Italy, September 9. Second was Australian Ken Kavanagh, and Jack Brett, of Britain, was Third. Both the latter rode Norton. September 25, 1951. (Photo by Associated Press Photo).