| 41. | This design allowed dual filaments, which provided longer operating life.
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| 42. | The filament is a meander coil tungsten of a specified size.
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| 43. | There is no logical connection between rated wattage and filament temperature.
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| 44. | Some manufacturers apparently thought that Shelby filaments were purchased in Europe.
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| 45. | There are three tail filaments at the tip of the abdomen.
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| 46. | The filaments of the stamens are pink with a yellow anther.
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| 47. | Edison first used various experimental vegetable fibers for the lamp filaments.
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| 48. | At this later stage the cocoon yields six times less filament.
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| 49. | This will distort the brush and can break the filaments.
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| 50. | There are a variety of different filaments used to make the fillings.
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