'By early 1895, at his estate near Bologna, he could ring a bell a few yards away via radio waves'
Marconi
INVENTORS: By early 1895, at his estate near Bologna, he could ring a bell a few yards away via radio waves
By early 1895, at his estate near Bologna, he could ring a bell a few yards away via radio waves
By early 1895, at his estate near Bologna, he could ring a bell a few yards away via radio waves
INVENTORS
Marconi
INVENTORS