The Nation's Schools, Količina 35Michael Vincent O'Shea McGraw Hill, 1945 |
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Zadetki 1–3 od 18
Stran 1
... ventilation . 5. Guards ventilation automati- cally for less than a cent an hour . How low can we plan advanced post - war schools and consider installing less than the best pre - war ventilating system ? The science of schoolroom ...
... ventilation . 5. Guards ventilation automati- cally for less than a cent an hour . How low can we plan advanced post - war schools and consider installing less than the best pre - war ventilating system ? The science of schoolroom ...
Stran 71
... ventilation ! Any plan to use them as custodians is less than thoughtful . Post - war schools deserve the best pre - war ventilating system . Unit ventilation is thirty years removed from horses and buggies . It recognizes that not all ...
... ventilation ! Any plan to use them as custodians is less than thoughtful . Post - war schools deserve the best pre - war ventilating system . Unit ventilation is thirty years removed from horses and buggies . It recognizes that not all ...
Stran 100
... ventilation . Dual controls prevent both cold drafts and overheating . And this fully automatic air guardian works for less than a cent an hour . ONE THING A TEACHER SHOULD NOT HAVE TO THINK ABOUT ! What the Nesbitt Unit Ventilator Does ...
... ventilation . Dual controls prevent both cold drafts and overheating . And this fully automatic air guardian works for less than a cent an hour . ONE THING A TEACHER SHOULD NOT HAVE TO THINK ABOUT ! What the Nesbitt Unit Ventilator Does ...
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