The Nation's Schools, Količina 11Michael Vincent O'Shea McGraw Hill, 1933 |
Iz vsebine knjige
Zadetki 1–3 od 39
Stran 12
... heating pump , the electric current ? The Jennings Vapor Turbine op- erates on steam directly from your heating mains , and returns that steam to the heating system with little heat loss . This remarkable pump is driven by a newly ...
... heating pump , the electric current ? The Jennings Vapor Turbine op- erates on steam directly from your heating mains , and returns that steam to the heating system with little heat loss . This remarkable pump is driven by a newly ...
Stran 80
... Heating Pump Lowers Operating Costs A new type of drive is being applied to a return line vacuum heating pump made by the Nash En- gineering Co. , South Norwalk , Conn . The Jennings Vapor Turbine Heating Pump is driven by steam direct ...
... Heating Pump Lowers Operating Costs A new type of drive is being applied to a return line vacuum heating pump made by the Nash En- gineering Co. , South Norwalk , Conn . The Jennings Vapor Turbine Heating Pump is driven by steam direct ...
Stran 8
... HEATING PUMPS STANDARD RETURN LINE Over 45,000 installations offer testimony to the excellence of these pumps . They ... heating pump shown at the left of this column tell an interesting story of service . The newest member of the ...
... HEATING PUMPS STANDARD RETURN LINE Over 45,000 installations offer testimony to the excellence of these pumps . They ... heating pump shown at the left of this column tell an interesting story of service . The newest member of the ...
Vsebina
Cody | 11 |
JANUARY 1933 Number | 13 |
Ability Grouping Solves Problem of Individual Differences | 17 |
80 preostalih delov ni prikazanih
Druge izdaje - Prikaži vse
Pogosti izrazi in povedi
activities American attendance average board of education boys budget cation cent Chicago child classroom clean Columbia University Company cost courses Culver Military Academy curriculum Department of Superintendence Dri-Brite economic educa Electric elementary school equipment expenditures experience fact floor frontier girls grade Hamtramck heating increased individual installation instruction intelligence intelligence quotient interest junior high school learning meeting ment Mercurochrome method Michigan Minneapolis NATION'S SCHOOLS National National Education Association nomic Ohio Ohio State University operation organization period possible practice present president principal problems progress public schools pupils radio reduced salaries school board school buildings school system SCOTT BERRY Semdac situation soap social standards superintendent of schools supervision teaching textbooks tion tional unit University of Chicago University of Iowa York York City