The Nation's Schools, Količina 63Michael Vincent O'Shea McGraw Hill, 1959 |
Iz vsebine knjige
Zadetki 1–3 od 66
Stran 29
... light . Non - labeled door has same construction , except core material is fiber- board instead of air cell asbestos ... LIGHT JAMB pr 18 GA . LOOSE STOPS ASBESTOS FILLED ALL SPACES -16 GA . MIN . SIDE LIGHT SILL 18 GA . LOOSE STOPS 16 ...
... light . Non - labeled door has same construction , except core material is fiber- board instead of air cell asbestos ... LIGHT JAMB pr 18 GA . LOOSE STOPS ASBESTOS FILLED ALL SPACES -16 GA . MIN . SIDE LIGHT SILL 18 GA . LOOSE STOPS 16 ...
Stran 100
... light level ( the use of visual materials : dim - out light that encompasses or surrounds or dark - out ? the screen and viewing area ) should not exceed 0.15 footcandles . Such a light level will permit complete pupil recognition of ...
... light level ( the use of visual materials : dim - out light that encompasses or surrounds or dark - out ? the screen and viewing area ) should not exceed 0.15 footcandles . Such a light level will permit complete pupil recognition of ...
Stran 186
... light multiplier optical system gives evenly distributed light to every section of the screen more light than other projectors of even higher wattage ... and your pictures always stay in focus . An exclusive reverse jet - action suction ...
... light multiplier optical system gives evenly distributed light to every section of the screen more light than other projectors of even higher wattage ... and your pictures always stay in focus . An exclusive reverse jet - action suction ...
Vsebina
Articles in this issue | 43 |
School Administration as a Profession D ORTON J SMITH T HICKS | 50 |
e views of three high schools in one under construction in Des Plaines III see page | 59 |
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