Convention, Volume 18 |
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Halaman 30
... lamps used required a separate circuit and a dynamo for each . After awhile , dynamos were constructed to run two lamps ; and when the time came that they could run four lamps from a single dynamo , it was considered a wonderful ...
... lamps used required a separate circuit and a dynamo for each . After awhile , dynamos were constructed to run two lamps ; and when the time came that they could run four lamps from a single dynamo , it was considered a wonderful ...
Halaman 267
... lamps . ARC CARBONS AND THE RATING OF ARC LAMPS . At the last convention of the National Electric Light Association , a special committee on the rating of arc lamps submitted a report , which was adopted and ordered printed in full in ...
... lamps . ARC CARBONS AND THE RATING OF ARC LAMPS . At the last convention of the National Electric Light Association , a special committee on the rating of arc lamps submitted a report , which was adopted and ordered printed in full in ...
Halaman 273
... lamps versus the candle - power of lamps furnished by a competing company . I have a letter from the Inspector of Electric Lights , asking me to have this association give the companies a standard for lamps burning % and 5 % carbons ...
... lamps versus the candle - power of lamps furnished by a competing company . I have a letter from the Inspector of Electric Lights , asking me to have this association give the companies a standard for lamps burning % and 5 % carbons ...
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