The Nation's Schools, Količina 20Michael Vincent O'Shea McGraw Hill, 1937 |
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Zadetki 1–3 od 83
Stran 8
... SOUND APERTURE- No sound drum . DIRECT BEAM OF LIGHT ON SOUND TRACK AND PHOTO CELL -No prism or reflected light . HOLD BACK SPROCKET - Abso- lutely essential for perfect sound . FILTERED SOUND SPROCKET- Same as used in theatre machines ...
... SOUND APERTURE- No sound drum . DIRECT BEAM OF LIGHT ON SOUND TRACK AND PHOTO CELL -No prism or reflected light . HOLD BACK SPROCKET - Abso- lutely essential for perfect sound . FILTERED SOUND SPROCKET- Same as used in theatre machines ...
Stran 49
... sound equipment ; 19 per cent , 16 mm . silent equipment ; 6 per cent , 35 mm . sound equipment and only 1 per cent , 35 mm . silent equipment . This response clearly indicated that Minnesota administrators are plan- ning to increase ...
... sound equipment ; 19 per cent , 16 mm . silent equipment ; 6 per cent , 35 mm . sound equipment and only 1 per cent , 35 mm . silent equipment . This response clearly indicated that Minnesota administrators are plan- ning to increase ...
Stran 12
... sound equipment for school modernization ESSONS that live are easy to learn ! That's why more and more schools are adopting the modern way to teach - by sight and sound ! Among RCA's complete array of modern teaching aids are the new ...
... sound equipment for school modernization ESSONS that live are easy to learn ! That's why more and more schools are adopting the modern way to teach - by sight and sound ! Among RCA's complete array of modern teaching aids are the new ...
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activities administration American architect Asso auditorium Bell & Howell board of education boys cafeteria Catalog cation cent Chicago child classroom clean color Columbia University Company complete corridors cost Crayola Culver Military Academy curriculum desks director economic educa Education Association Electric equipment films floor furniture girls gonorrhea grade gymnasium heating homeroom HOTEL installed instruction interest Ivory Soap Junior High School light locker machine material Medart ment Mercurochrome milk modern National Ohio Ohio State University operation organization Otho F practical president principal problem projector Public Schools pupils radio school building school districts school system seats selection soap social sound steel superintendent of schools supervisor Teachers College teaching tion tional Tontine unit University vocational walls Webster-Chicago Write York City