The Nation's Schools, Količina 64Michael Vincent O'Shea McGraw Hill, 1959 |
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Zadetki 1–3 od 84
Stran 101
... Easy film threading • Push the button to advance film - any pupil can operate it ⚫ New 150 watt lamp with built - in reflector for brilliant projection and permanent optical alignment 3 " f / 3.5 lens focuses from 19 inches Exclusive ...
... Easy film threading • Push the button to advance film - any pupil can operate it ⚫ New 150 watt lamp with built - in reflector for brilliant projection and permanent optical alignment 3 " f / 3.5 lens focuses from 19 inches Exclusive ...
Stran 121
... easily performed by school engineer . Easily removable panels provide access to all working parts . Fans are easy to clean , filters easy to change . Fan and motor bearings are easy to lubricate . Equipment for schools is developed ...
... easily performed by school engineer . Easily removable panels provide access to all working parts . Fans are easy to clean , filters easy to change . Fan and motor bearings are easy to lubricate . Equipment for schools is developed ...
Stran 30
... Easy to clean . Exclusive built - in carrying handle - easy to carry . 500 watt and 750 watt manual or remote control models . Exclusive accessory rewind take - up allows filmstrips to be rewound into storage container automatically ...
... Easy to clean . Exclusive built - in carrying handle - easy to carry . 500 watt and 750 watt manual or remote control models . Exclusive accessory rewind take - up allows filmstrips to be rewound into storage container automatically ...
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American architects areas Asso Association Audio-Visual automatic building business education cabinet Calif catalog cation cent chairs Chalkboards Chicago City classroom cleaning College Collier's Encyclopedia color committee COMPANY construction Coronet Films cost course curriculum Dept desk details circle door economical educa electric elementary school equipment federal film fire floor folding food service glass grade groups high school Honeywell Illinois installation laboratory machines mailing card maintenance Manufacturers meeting ment Michigan Model modern Nation's Schools National Oak Park Ohio operation Owens-Illinois panels portable president problems PRODUCTS projector protection public schools pupils RAULAND Republic Steel safety salary school administrators school board school district school lunch school system seat space stainless steel standard steel storage Super superintendent tables teachers teaching tion Toledo typewriter unit University Virco wall Write York