An interesting New Invention.—A new invention—the R.C.A. Photophone, portable talking picture exhibition equipment—is a remarkable device which observers say will revolutionise educational methods, in that the lectures and talks of the world’s greatest scientists, teachers and preachers can now be exhibited—in talkingmovie form—in any size school, church, hospital, lecture-hall and home, aside from industrial organisations, and can be set up in any size hall in less than fifteen minutes. A number of famous lecturers have already been signed to have their lectures recorded for the process. Moreover, any talking picture of the entertainment variety can also be projected from the portable—thus providing entertainment anywhere desired. Technically,

Dominion, Volume 23, Issue 54, 27 November 1929, Page 9

An interesting New Invention. —A new invention —the R.C.A. Photophone, portable talking picture exhibition equipment—is a remarkable device which observers say will revolutionise educational methods, in that the lectures and talks of the world’s greatest scientists, teachers and preachers can now be exhibited—in talkingmovie form—in any size school, church, hospital, lecture-hall and home, aside from industrial organisations, and can be set up in any size hall in less than fifteen minutes. A number of famous lecturers have already been signed to have their lectures recorded for the process. Moreover, any talking picture of the entertainment variety can also be projected from the portable—thus providing entertainment anywhere desired. Technically,