What are 7 inventions by Thomas Edison?
Ten Best Inventions Of Thomas Edison
1 Phonograph.
2 Durable light bulb (40 hours)
3 Electrical Vote Recorder Quadruplex,
4 Sextuplex and multiplex telegraph.
5 Carbon microphone.
6 Electricity distribution system.
7 First commercial fluoroscope (for X-Ray examinations)
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