What was the frequency of Edison inventions
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Most of Edison's invention's fall into eight main categories like batteries, electric lights,power , phonographs, sound recording, cement,mining , motion pictures, telephones and telegraphs
ost of Edison's invention's fall into eight main categories like batteries, electric lights,power , phonographs, sound recording, cement,mining , motion pictures, telephones and telegraphsplease mark as brainliest
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