BIG INVENTIONS
BIG INVENTIONS HYDROGEN BOMB > Edward Teller ELECTRIC BULB > Thomas Edison DYNAMO > Michael Faraday TELEPHONE > Alexander Graham Bell TELEGRAPH > Samuel Morse . TELEVISION > Philo Farnsworth STEAM ENGINE > James Watt MICRO PHONE .> Emile Berliner TRANSISTOR > William Shockley TRANSFORMER > Ottó Bláthy