The Nation's Schools, Količina 90Michael Vincent O'Shea McGraw Hill, 1972 |
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Zadetki 1–3 od 62
Stran 5
... sound systems ring , whistle , howl , echo - or ort the sound in other disturbing ? Sound engineers will tell you that oom itself usually causes the rtion . Working from this premise , utone engineers have come up a solution ...
... sound systems ring , whistle , howl , echo - or ort the sound in other disturbing ? Sound engineers will tell you that oom itself usually causes the rtion . Working from this premise , utone engineers have come up a solution ...
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 en ring , whistle , howl , echo - or stort the sound in other disturbing lys ? Sound engineers will tell you that e room itself usually causes the stortion . Working from this premise , ecutone engineers have come up th ...
... sound systems en ring , whistle , howl , echo - or stort the sound in other disturbing lys ? Sound engineers will tell you that e room itself usually causes the stortion . Working from this premise , ecutone engineers have come up th ...
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55 Public Square Address City Antron architect areas audio Audiotronics audiovisual automatic Bell & Howell Bensalem Township budget building carpet cassette cation cent Chicago classroom clean color Company complete contract Corporation costs County court curriculum Dept designed Division Eastman Kodak electric equipment facts circle film filmstrip floor grades Graflex heating high school Honeywell individual installed instruction kids Kodak learning 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 administrators school districts sound staff standard steel superintendent tape teachers teaching TELEX COMMUNICATIONS there's tion U-Matic unit University videocassettes write youngsters