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Selasa, 24 Oktober 2017

[Ans] Who invented the safety pin?



Question :


Options:


  1. Walter Hunt

  2. Susan Johnson

  3. Elias Howe

  4. Isaac Singer

https://play.google.com/store/apps/details?id=com.brainyexam.thinktrivia&hl=en%C2%A0


Answer:


Walter Hunt


Walter Hunt invented the safety pin. He first got the idea for the safety pin while nervously twisting a piece of wire. He was trying to think of something he could do that would allow him to pay off a $15 debt. He patented his safety pin invention in April 1849. He didn’t think the invention would ever amount to much and soon sold the patent for $400. Source: TheInventor.org



[Ans] Who invented the safety pin? Rating: 4.5 Diposkan Oleh: Fatih

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