How many prototypes did Thomas Edison make before perfecting the lightbulb?
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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.
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over 10,000, but obviously no one knows for sure - he himself probably lost count
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
NathanielZhu, you are correct. It was over 10,000. Yes SamboRambo, he could have sold sand in the desert!
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