High Treason is a 1929 British film based on a play by Noel Pemberton Billing. It was directed by Maurice Elvey, and stars James Carew, Humberstone Wright, Benita Hume, Henry Vibart, Hayford Hobbs, Ir

RCA Photophone was the trade name given to one of four major competing technologies that emerged in the American film industry in the late 1920s for synchronizing electrically recorded audio to a moti