The Nation's Schools, Količina 20Michael Vincent O'Shea McGraw Hill, 1937 |
Iz vsebine knjige
Zadetki 1–3 od 81
Stran 9
... operation . Locating the motor in the end compartment - out of the air stream- permits the use of larger blower assemblies , with fans running at slower tip speeds . In the past , noisy operation obtained with the motor placed in the ...
... operation . Locating the motor in the end compartment - out of the air stream- permits the use of larger blower assemblies , with fans running at slower tip speeds . In the past , noisy operation obtained with the motor placed in the ...
Stran 67
... OPERATION Most quiet operation is assured with the New Herman Nelson Air Con- ditioner for Schools because of its scientific design . Locating the motor in the end compartment - out of the air stream - permits the use of larger blower ...
... OPERATION Most quiet operation is assured with the New Herman Nelson Air Con- ditioner for Schools because of its scientific design . Locating the motor in the end compartment - out of the air stream - permits the use of larger blower ...
Stran 85
... operation , long life , quiet operation , freedom from repairs , and a degree of cleanliness that can only result from a correct vacuum , a sufficient volume of air and the most modern developments in vacuum cleaning tools . Write for ...
... operation , long life , quiet operation , freedom from repairs , and a degree of cleanliness that can only result from a correct vacuum , a sufficient volume of air and the most modern developments in vacuum cleaning tools . Write for ...
Vsebina
RURAL | 6 |
are picked with care at Grosse Pointe | 31 |
Our Schools Expand | 37 |
Avtorske pravice | |
6 preostalih delov ni prikazanih
Druge izdaje - Prikaži vse
Pogosti izrazi in povedi
acoustical activities administration American architect Asso auditorium Bell & Howell board of education boys cafeteria Catalog cation cent Chicago child classroom clean color Columbia University Company complete corridors cost Crayola curriculum desks director economic educa Education Association Electric elementary school equipment film floor girls gonorrhea grade gymnasium heating homeroom HOTEL HYGIEIA installed instruction interest Ivory Soap Junior High School light locker machine material Medart ment Mercurochrome milk modern National Ohio Ohio State University operation organization parent-teacher association practical president principal problem projector protection Public Schools pupils radio school building school districts school system seats selection soap social sound steel superintendent of schools supervisor syphilis Teachers College teaching tion tional Tontine unit University vocational Webster-Chicago window Write York City