F/col SEM of the tungsten filament of a light bulb

F/col SEM of the tungsten filament of a light bulb

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Credit: POWER AND SYRED/SCIENCE PHOTO LIBRARY

Caption: Filament of a light bulb. Coloured scanning electron micrograph (SEM) of the double coiled tungsten wire filament of a 60 Watt domestic light bulb. Magnification: x132 at 6x7cm size. Magnification: x350 at 8x6inch size.

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Keywords: electrical, electricity, energy, filament, industry, light bulb, light filament, physics, spiral form, technology, tungsten

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