How many prototypes did Thomas Edison make before perfecting the lightbulb?
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over 10,000, but obviously no one knows for sure - he himself probably lost count
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I'm not sure that he really invented it. He took credit for it like he did most things. I believe Tesla invented the one we use today. Not sure really
Don't know, but he made enough to light up a lane at night to dazzle his investors. One bulb would have been sufficent, but Edison seemed to know how to sell.
NathanielZhu, you are correct. It was over 10,000. Yes SamboRambo, he could have sold sand in the desert!
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