Electric bulbs. Who invented the first one is "Sir Joseph Swan (Sir Joseph Swan)" non-centered around it? "Thomas Al Hotel Edison (Thomas Alva Edison)" the thrill of Thomas Edison, came from Sir Joseph. Only someone who buys his electric bulbs need to find equipment, generator, fire spinning pots ourselves back together, Thomas Edison has been developing various devices that use a bulb, and the first patent on the invention of the light bulb. Thomas Edison
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