$15.00
The drawing of tungsten wire into filaments for electric light bulbs and radio tubes is described. The processes include: extraction and reduction of the metal, formation of slugs, hot rotary swaging, hot drawing through diamond dies, and formation of the filaments. Special precautions used during drawing are described.
The drawing of tungsten wire into filaments for electric light bulbs and radio tubes is described. The processes include: extraction and reduction of the metal, formation of slugs, hot rotary swaging, hot drawing through diamond dies, and formation of the filaments. Special precautions used during drawing are described.
| Author(s) | Westinghouse Lamp Co. |
|---|---|
| Publication/Event/Pages | Wire & Wire Products3(8): 260-261 1928 |
| Year | 1928 |
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