The Nation's Schools, Količina 29Michael Vincent O'Shea McGraw Hill, 1942 |
Iz vsebine knjige
Zadetki 1–3 od 84
Stran 41
... necessary swimming pool control device is an instrument for testing the alkalinity . I use the Helige - Klett comparator for pH in swimming pool water . One danger that has been encoun- tered in using this test is that high residual ...
... necessary swimming pool control device is an instrument for testing the alkalinity . I use the Helige - Klett comparator for pH in swimming pool water . One danger that has been encoun- tered in using this test is that high residual ...
Stran 42
... necessary . Replace cracked china handles with metal or plastic handles . PIPING AND VALVES Watch for leaks in supply lines and conditions causing corrosion : ( 1 ) excessive temperature ; ( 2 ) electrolysis . Avoid excessive pressure ...
... necessary . Replace cracked china handles with metal or plastic handles . PIPING AND VALVES Watch for leaks in supply lines and conditions causing corrosion : ( 1 ) excessive temperature ; ( 2 ) electrolysis . Avoid excessive pressure ...
Stran 43
... necessary for the prosecution of an all out war . Many materials are difficult to obtain because of government priorities . This makes it necessary to estab- lish a work priority plan , giving the most important repairs the highest ...
... necessary for the prosecution of an all out war . Many materials are difficult to obtain because of government priorities . This makes it necessary to estab- lish a work priority plan , giving the most important repairs the highest ...
Vsebina
Discontinue N Y A and C C C Arthur B Moehlman | 4 |
This Annual Report Is a Cooperative Enterprise Harvey H Lowrey | 42 |
Lives of Great Men Ralph W Proctor | 49 |
20 preostalih delov ni prikazanih
Druge izdaje - Prikaži vse
Pogosti izrazi in povedi
12 inch records activities administrators adult American Ampro areas asphalt tile auditorium Bell & Howell blackboard board of education boys cafeteria CASTLE FILMS catalog cation cent Chicago child City classroom clean College Columbia University committee Company cooperation cost Council County course defense democracy Dept educa Education Association equipment federal films floor girls grade gymnasium Henry Ford Hotel John Marshall Hygieia inch industrial inquiring instruction interest Junior High School laboratory lunchroom machine maintenance manufacturer materials ment Mercurochrome NATION'S SCHOOLS National nutrition Office Ohio operation organization parent-teacher association principal problems protection Public Schools pupils radio records salary school buildings school district school system serve social sound steel superintendent of schools teachers teaching tion tional unit University Victor Victor Album vocational York York City