Convention, Volume 18 |
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Halaman 27
... carbon business . The early carbons were sold at the rate of $ 240 a thousand . I say at the rate of $ 240 a thousand , because nobody ever thought of ordering a thousand carbons at once . They thought they could not use so many in a ...
... carbon business . The early carbons were sold at the rate of $ 240 a thousand . I say at the rate of $ 240 a thousand , because nobody ever thought of ordering a thousand carbons at once . They thought they could not use so many in a ...
Halaman 270
... carbons not recorded here , it was impossible to measure the hissing point with any degree of accuracy , because of the deposition on the negative of small portions of the core thrown out by the positive at low potential differences .
... carbons not recorded here , it was impossible to measure the hissing point with any degree of accuracy , because of the deposition on the negative of small portions of the core thrown out by the positive at low potential differences .
Halaman 272
National Electric Light Association. Convention. power , especially when the carbons are very small or very large . When we consider that , as a means for securing long life , flat carbons and " twin " carbons have been more or less used ...
National Electric Light Association. Convention. power , especially when the carbons are very small or very large . When we consider that , as a means for securing long life , flat carbons and " twin " carbons have been more or less used ...
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