6 results in 0.0037 seconds.
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Thomas Alva Edison
Edison (February 1847- October 1931) was an American inventor, scientist and a businessman. His numerous inventions changed the face of... -
Street Light
On 4th June 1807, the well known Pall Mall in London was aglow with the world’s... -
The first recorded public version on the gramophone plate
The first recorded public version on the gramophone plate
HMV had once published a pamphlet giving the history of gramophone... -
Why do we say "Alo" or "Hello" when we talk on the phone; where does 'Hello' come from?
Why do we say "Alo" or "Hello" when we talk on the phone; where does 'Hello' come from?
Hello, with that... -
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Inventions & Inventor - Remember!-Tamil
அறியாத சில விசயங்களை
தெரிந்து கொள்வோம் வாங்க!
ஆய்வுகளும் கண்டுபிடிப்புக்களும்...
