The Nation's Schools, Količina 41Michael Vincent O'Shea McGraw Hill, 1948 |
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Stran 87
Michael Vincent O'Shea. mistaken ideas about Sound Conditioning in Schools Sound mistake # 1 THAT SOUND CONDITIONING IS A LUXURY ... The fact is : Hundreds of schools across the country have proved that , far from being a luxury ...
Michael Vincent O'Shea. mistaken ideas about Sound Conditioning in Schools Sound mistake # 1 THAT SOUND CONDITIONING IS A LUXURY ... The fact is : Hundreds of schools across the country have proved that , far from being a luxury ...
Stran 63
... sound pro- jector design must be a tested design . It is only by studying and learning from millions of performances under all conditions that a truly efficient sound projector is developed . Ampro 16mm . projectors have been " put ...
... sound pro- jector design must be a tested design . It is only by studying and learning from millions of performances under all conditions that a truly efficient sound projector is developed . Ampro 16mm . projectors have been " put ...
Stran 103
... Sound conditioning with Acousti - Celotex ! * noise ... sharpens Acousti - Celotex sound conditioning blots up noise ... sharpens attention ... and eases the nerves of pupil and teacher . You'll find quiet that is good for schools is ...
... Sound conditioning with Acousti - Celotex ! * noise ... sharpens Acousti - Celotex sound conditioning blots up noise ... sharpens attention ... and eases the nerves of pupil and teacher . You'll find quiet that is good for schools is ...
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THE NATIONS | 4 |
THE MAGAZINE OF BETTER | 10 |
Physical Education Tests for All Children | 25 |
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