The Nation's Schools, Količina 44Michael Vincent O'Shea McGraw Hill, 1949 |
Iz vsebine knjige
Zadetki 1–3 od 83
Stran 55
... heating system . WATER LINE C - V the water to run away and yet hold the steam. HEATING THE ' HE heating of any building is sim- ply the transfer of one type of energy into another usable form . In the case of direct and indirect steam ...
... heating system . WATER LINE C - V the water to run away and yet hold the steam. HEATING THE ' HE heating of any building is sim- ply the transfer of one type of energy into another usable form . In the case of direct and indirect steam ...
Stran 57
... heating system . Another highly efficient layout is the two - pipe vacuum steam heating system shown in figure 3. The only significant difference between this and the one shown in figure 1 is the type of pump . In this , a vacuum - pump ...
... heating system . Another highly efficient layout is the two - pipe vacuum steam heating system shown in figure 3. The only significant difference between this and the one shown in figure 1 is the type of pump . In this , a vacuum - pump ...
Stran 81
... HEATING PRODUCTS on every job ! Increase operating efficiency ... cut your costs Dunham Fin - Vector Radiation is a case in point . These long , narrow , finned pipe heating ele- ments are ideal for many installations where standard ...
... HEATING PRODUCTS on every job ! Increase operating efficiency ... cut your costs Dunham Fin - Vector Radiation is a case in point . These long , narrow , finned pipe heating ele- ments are ideal for many installations where standard ...
Vsebina
MAGAZINE OF BETTER SCHOOL ADMINISTRATION | |
Veterans Differ on Bonus U M T but Agree on School Child | 52 |
Guidance Program for Summer Months | 68 |
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