The Nation's Schools, Količina 35Michael Vincent O'Shea McGraw Hill, 1945 |
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Zadetki 1–3 od 76
Stran 35
... light through but blocking sound is of most value . Where inside rooms are unavoidable , at least they no longer ... light you can get or only the greatest possible trans- mission ? Do you wish merely to let the light through , as ...
... light through but blocking sound is of most value . Where inside rooms are unavoidable , at least they no longer ... light you can get or only the greatest possible trans- mission ? Do you wish merely to let the light through , as ...
Stran 107
... Light Provides Ease of Reading For critical eye tasks , the Edwin F. Guth Company has developed a new " luminous indirect " fluorescent light it is calling the Cadet . The light is suspended from 24 inches to 30 inches from the ceiling ...
... Light Provides Ease of Reading For critical eye tasks , the Edwin F. Guth Company has developed a new " luminous indirect " fluorescent light it is calling the Cadet . The light is suspended from 24 inches to 30 inches from the ceiling ...
Stran 83
... light- ing fixtures can cut your light as much as 50 % ; rob you of 20 % in only six months . Burned - out lamps not only mean less light but help create a " don't care " impression . Get full value from your lighting ... get all the ...
... light- ing fixtures can cut your light as much as 50 % ; rob you of 20 % in only six months . Burned - out lamps not only mean less light but help create a " don't care " impression . Get full value from your lighting ... get all the ...
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