Question

The credit for the invention of the electric bulb
is usually given to Thomas Alva Edison, though
others before him had worked on it. Edison
was a remarkable man. He made some 1300
inventions including the electric bulb.
gramophone, the motion picture camera and
the carbon transmitter, which facilitated the
invention of the telephone.
Fig. 14.27 Thomas Alva Edison
A.D. 1847 - 1931)​

Answer 1

WE ALL KNOW THIS ABOUT SIR THOMAS ELVA EDITION...

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