ocr: TUNGSTEN FILAMENT SPIRALED IUNGSIEN - ardy PILAMENT E METAL CURRENT. SUPPORTS FLOW GLASS INSULATOR Each coil ofthe tungsten tilament is made up of even tinier coils. This arrangement gives a high light output. Tungsten 1S a good choice ofmaterial because it has a very high melting point the filament of a. light bulb reachesa temperature of4,500°F (2,500°C).
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