France, and Japan. In the 1920s, Short Brothers manufactured thousands of lightweight bodies for omnibuses, until Oswald's monocoque and stressed skin methods became more widely acceptable to aircraft customers.

In April 1932, Oswald became the sole survivor of the three founders of Short Brothers, after Eustace Short died of heart failure while landing the Short Mussel seaplane. In 1935, Oswald was made chairman and managing director of Short Brothers when it became a limited company. Also in 1935,