The Nation's Schools, Količina 28Michael Vincent O'Shea McGraw Hill, 1941 |
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... Hygieia Method for Blackboard Mainte- nance has been used . For Hygieia Dust- less Crayon is made from pure levigated chalk , entirely free from grit or sand parti- cles that will scar HYGIEIA your boards . It actually preserves the ...
... Hygieia Method for Blackboard Mainte- nance has been used . For Hygieia Dust- less Crayon is made from pure levigated chalk , entirely free from grit or sand parti- cles that will scar HYGIEIA your boards . It actually preserves the ...
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activities adult American architect areas auditorium BELL & HOWELL board of education boys budget cafeteria catalog cation cent Chicago child City classroom clean color committee cooperation cost County course curriculum defense democracy democratic director educa Education Association equipment film floor girls grade gymnasium heating individual instruction interest IVORY SOAP Junior High School laboratory learning lunch meet ment Mercurochrome Milwaukee Public Schools Moderator System NATION'S SCHOOLS National nomic Ohio State University operation organization Otho F parent-teacher association parents plant play practice principal problems Public Schools pupils RCA Victor records safety school administration school buildings school system serve silent film social sound sound film speech steel superintendent of schools teachers teaching tion tional unit University ventilating vocational window Write York York City