| Definition of 'paper filaments' |
The Standard Electrical Dictionary |
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1. paper filaments
Filaments of carbon for incandescent lamps made from paper.
This is one of the earliest materials practically used. The paper is cut out of proper shape, and is carbonized in a close vessel, while embedded in powdered charcoal or some other form of carbon to absolutely cut off access of air. It is then placed in the lamp chamber and flashed or subjected to the regular treatment.
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Definitions of paper filaments
