The Nation's Schools, Količina 83Michael Vincent O'Shea McGraw Hill, 1969 |
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Zadetki 1–3 od 81
Stran 57
... sound system requirements scientifically . The man who can do this for you is your Executone representative . He's your local expert in the New Math of School Sound . Or write for free portfolio : " Executone Programmed Sound Systems ...
... sound system requirements scientifically . The man who can do this for you is your Executone representative . He's your local expert in the New Math of School Sound . Or write for free portfolio : " Executone Programmed Sound Systems ...
Stran 120
... sound assembly , and the unit has a film capacity of 600 feet . Optical sound projector Technicolor Co. has recently de- veloped the model 1000A super 8 projector , which incorporates im- provements on the original 1000 model . This ...
... sound assembly , and the unit has a film capacity of 600 feet . Optical sound projector Technicolor Co. has recently de- veloped the model 1000A super 8 projector , which incorporates im- provements on the original 1000 model . This ...
Stran 123
... Sound System . The first all new school communication sys- tem in 20 years . Makes it possible for any number of teachers to select and control 2 or 5 or more sound programs . Right from each classroom , not from the office . By simple ...
... Sound System . The first all new school communication sys- tem in 20 years . Makes it possible for any number of teachers to select and control 2 or 5 or more sound programs . Right from each classroom , not from the office . By simple ...
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