1 янв 1878 г. - Light bulb

Описание:

Light bulbs are a major source of electricity. The inventor used wires, batteries, and other electrical uses to produce light bulbs. When connecting all his materials it produced light. His design was a effective invention. Light bulbs create a glow for people who need light to work especially after sundown. It's allowed us to travel and navigate safely. Developed by tom Edison, when he began real research towards developing a light bulb in October 1, 1878.

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