Which of these is NOT an invention by Edison? - Practice (English) | ObjectiveMcq

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Which of these is NOT an invention by Edison? - Practice (English) | ObjectiveMcq

PracticeLeadersThomas EdisonWhich of these is NOT an invention ...

Thomas Edison LeadersEasy

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Which of these is NOT an invention by Edison?

Correct Answer:

(D) X-ray machine

Explanation:

X-ray machine

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