The Nation's Schools, Količina 13Michael Vincent O'Shea McGraw Hill, 1934 |
Iz vsebine knjige
Zadetki 1–3 od 67
Stran 60
... light source and the background . A bright light source in the center of dark surroundings is par- ticularly annoying , while the same light source would hardly be noticed if placed out of doors dur- ing the daytime . The most effective ...
... light source and the background . A bright light source in the center of dark surroundings is par- ticularly annoying , while the same light source would hardly be noticed if placed out of doors dur- ing the daytime . The most effective ...
Stran 61
Michael Vincent O'Shea. to 35 per cent of the light delivered in the upper hemisphere ; a distribution curve to suit the spac- ing of the units ; sufficient density to conceal the light source ; low surface brightness ; well annealed ...
Michael Vincent O'Shea. to 35 per cent of the light delivered in the upper hemisphere ; a distribution curve to suit the spac- ing of the units ; sufficient density to conceal the light source ; low surface brightness ; well annealed ...
Stran 65
... light sensitive instrument of the type used by engineers . The human eye cannot be depended upon to gauge light values . The lack of a simple instrument for registering the amount of light has hindered such work in the past . A new ...
... light sensitive instrument of the type used by engineers . The human eye cannot be depended upon to gauge light values . The lack of a simple instrument for registering the amount of light has hindered such work in the past . A new ...
Vsebina
Abbott Grace Child Health Needs Close Watching During | 9 |
Pupil PersonnelTwo Major Problems | 15 |
National Welfare Depends Upon the Classroom Zook | 19 |
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activities administration adopted adult American Association board of education boys budget cafeteria cation cent changes Chicago child cial classroom Columbia University committee cost courses curriculum economic educa effective elementary school equipment eral finance floor girls grade individual institutions instruction interest junior high school light lunch lunchroom lycées material meeting ment Mercurochrome method Minneapolis modern National Education Association nomic Ohio State University operation organization OTHO F period persons practice present president principal problems profes public education public schools pupils recently result salaries school building school districts school system secondary school selection serve soap social superintendent of schools Supt tank suits teacher's day Teachers College teaching textbook tion tional tive unit University vocational York York City