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Who invented waterproof rubberised cloth?

  • A.James watt
  • B.Thomas alva edison
  • C.John boyd dunlop
  • D.Charles Macintosh

Answer: D

Charles Macintosh invented it.

The Glasgow chemist found in 1823 that naphtha, a waste product of the gasworks, dissolved rubber, and sandwiched the solution between two layers of cloth. The waterproof coat still bears his name, with an added k.

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