Convention, Volume 1;Volume 31 |
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Halaman 164
... efficiency of a boiler at these high ratings does not consume as much fuel as that required to keep one boiler banked , which can only be used for a few hours a day . With a non - condensing plant there is no difficulty in getting hot ...
... efficiency of a boiler at these high ratings does not consume as much fuel as that required to keep one boiler banked , which can only be used for a few hours a day . With a non - condensing plant there is no difficulty in getting hot ...
Halaman 464
... efficiency gained by the use of the smaller unit . To get twice the minimum illumination required 41 per cent more lamps with one lamp per post , and twice as many lamps if you put two lamps on each post , and the latter arrangement ...
... efficiency gained by the use of the smaller unit . To get twice the minimum illumination required 41 per cent more lamps with one lamp per post , and twice as many lamps if you put two lamps on each post , and the latter arrangement ...
Halaman 561
... efficiency must be subordinated in the interest of improving the illuminating efficiency , and at the same time meet other practical requirements or considerations ; such , for example , as color , distribution , in- trinsic brilliancy ...
... efficiency must be subordinated in the interest of improving the illuminating efficiency , and at the same time meet other practical requirements or considerations ; such , for example , as color , distribution , in- trinsic brilliancy ...
Isi
Conventions of the Association | xxxi |
Members CompaniesClass A | xxxvii |
MembersClass B | lv |
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