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Stran
The soft , diffused light is easy on the eyes ... and dispositions . MEDIUM Slats partially closed , give light enough for note - taking , yet darken room so projected slides of charts , etc. , may be clearly viewed .
The soft , diffused light is easy on the eyes ... and dispositions . MEDIUM Slats partially closed , give light enough for note - taking , yet darken room so projected slides of charts , etc. , may be clearly viewed .
Stran 68
Light sources can be filtered to make light invisible . of a near - by highway , factory or air- sound waves , a receiver tuned to the tion system is comparable with a port ) , sounds of vandals at work same frequency , and an alarm ...
Light sources can be filtered to make light invisible . of a near - by highway , factory or air- sound waves , a receiver tuned to the tion system is comparable with a port ) , sounds of vandals at work same frequency , and an alarm ...
Stran
Smoke ... even a wisp of smoke ... passing through the light beam can sound the alarm . A one - second time delay , however , eliminates false alarms . A book thrown by a child , for example , or a ladder carried by a passing janitor ...
Smoke ... even a wisp of smoke ... passing through the light beam can sound the alarm . A one - second time delay , however , eliminates false alarms . A book thrown by a child , for example , or a ladder carried by a passing janitor ...
Mnenja - Napišite recenzijo
Na običajnih mestih nismo našli nobenih recenzij.
Druge izdaje - Prikaži vse
Pogosti izrazi in povedi
accounting additional Address administration American assistant Association automatic better building Calif catalog cent Chicago City classroom cleaning College color combination COMPANY complete construction Continued cost County cover Department designed details circle developed doors easy economical effective equipment facing federal finish fire floor folding give glass grade heating high school important installation instruction laboratory language light lunch machine mailing card maintenance manufacturer materials meet Michigan Model Name offered Ohio operation position principal problems protection record requirements school business School District seating served sound space specifications standard STANFORD UNIVERSITY steel superintendent supply teachers teaching tests tion unit University UNIVERSITY LIBRARIES wall Write York
Bibliografski podatki
| Naslov | The Nation's Schools, Količina 68 |
| Urednik | Michael Vincent O'Shea |
| Založnik | McGraw Hill, 1961 |
| Izvozi navedbo | BiBTeX EndNote RefMan |