Art, asked by aaliya2136, 1 year ago

who invented safety lamp

Answers

Answered by aabid5

3

Humphrey Devi invented it

aaliya2136: thanx

aaliya2136: which class r u studying

Harsharma: 10th

rahul15155: 9th

Answered by Harsharma

2

Humphry Davy invented safety lamp

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