Convention, Volume 2;Volume 37;Volume 50 |
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Halaman 101
... practically never falls below 75 per cent ( this decrease sometimes being due to sagging ) . The lamp usually fails by the breakage of the filament , with the candle - power well above 80 per cent of its original value . The spherical ...
... practically never falls below 75 per cent ( this decrease sometimes being due to sagging ) . The lamp usually fails by the breakage of the filament , with the candle - power well above 80 per cent of its original value . The spherical ...
Halaman 114
... practically every consumer is induced to install a gas range . A particularly interesting feature of this innovation was the fact that almost all the ranges sold were of the cabinet type , high - priced stoves . The men were enabled to ...
... practically every consumer is induced to install a gas range . A particularly interesting feature of this innovation was the fact that almost all the ranges sold were of the cabinet type , high - priced stoves . The men were enabled to ...
Halaman 135
... practically all types of buildings . They also believe that natural ice will soon be entirely super- seded by artificial ice , in the cities at least . This development will require a tremendous amount of energy , and therefore opens up ...
... practically all types of buildings . They also believe that natural ice will soon be entirely super- seded by artificial ice , in the cities at least . This development will require a tremendous amount of energy , and therefore opens up ...
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