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filament lamp
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carbon filament lamps
The role of chemistry in Thomas Edison's inventions
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carbon filament lamps
carbon filament lamps

filament lamp

electronic device
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The role of chemistry in Thomas Edison's inventions
The role of chemistry in Thomas Edison's inventionsHow Thomas Edison changed the world.
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filament lamp, variety of incandescent lamp (q.v.) in which the light source is a fine electrical conductor heated by the passage of current.

This article was most recently revised and updated by Amy Tikkanen.
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