The Nation's Schools, Količina 90Michael Vincent O'Shea McGraw Hill, 1972 |
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Zadetki 1–3 od 61
Stran 5
... sound systems en ring , whistle , howl , echo - or tort the sound in other disturbing ys ? Sound engineers will tell you that room itself usually causes the tortion . Working from this premise , ecutone engineers have come up th a ...
... sound systems en ring , whistle , howl , echo - or tort the sound in other disturbing ys ? Sound engineers will tell you that room itself usually causes the tortion . Working from this premise , ecutone engineers have come up th a ...
Stran 67
... Sound Projector . Set the SUPERMATIC 60 Sound Projector on any desk in your classroom . Flip up the built - in screen . Drop in a cartridge . Adjust the projection mirror . Touch a lever . That's all . You're looking at a sharp ...
... Sound Projector . Set the SUPERMATIC 60 Sound Projector on any desk in your classroom . Flip up the built - in screen . Drop in a cartridge . Adjust the projection mirror . Touch a lever . That's all . You're looking at a sharp ...
Stran 47
... sound systems ften ring , whistle , howl , echo - or istort the sound in other disturbing rays ? Sound engineers will tell you that he room itself usually causes the listortion . Working from this premise , xecutone engineers have come ...
... sound systems ften ring , whistle , howl , echo - or istort the sound in other disturbing rays ? Sound engineers will tell you that he room itself usually causes the listortion . Working from this premise , xecutone engineers have come ...
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55 Public Square Address City Antron architect audio Audiotronics audiovisual automatic Bell & Howell BOOK WORLD BOOK budget building BUSINESS REPLY MAIL carpet cassette cation cent Chicago classroom clean color Company complete contract costs County court curriculum Dept designed developed Division Eastman Kodak electric equipment facts circle film filmstrip floor grades Graflex heating Hewlett-Packard high school Honeywell individual installed instruction kids Kodak learning LIBRARIES maintenance math McGraw-Hill ment Montgomery County Name Title NATION'S SCHOOLS National Office Onan operation P.O. Box parents Pitney Bowes Plexiglas problems projector public schools pupil reading record reply card says school districts sound staff steel superintendent tape teachers teaching there's tion U-Matic unit University videocassettes WORLD BOOK WORLD write youngsters