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Improving the Efficiency of Tungsten Filament Light Bulbs
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![Incandescent bulb (Ref. [11]). | Download Scientific Diagram](https://www.researchgate.net/publication/343831734/figure/fig1/AS:928050208333826@1598275820704/Incandescent-bulb-Ref-11.png "Incandescent bulb (Ref. [11]). | Download Scientific Diagram")