The educational screen (c1922-c1956])

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Projector Perfect projection means more than just a clear, (lickerless picture, as steady as a rock — it means ease of operation, portability, simplicity in construction, as well. Of course, the DeVry will give you flickerless pictures, as steady and fine in detail as those in a regular theatre, but in addition to this it combines the elements of absolute simplicity in construction, ease in operation and extreme portability. Schools and churches, business houses and clubs, national bureaus, governments and political organizations the world over are using DeVry's. That the DeVry is standing the acid test of service, from the tundra wastes of Baffin Land to the scorching plains of the Sahara, is adequate proof of the ability of this projector to stand up under the roughest abuse. Where your program demands motion pictures of theatrical quality — there should be a DeVry. ^rporation CHicago^IlU