Alexander Graham Bell
- El episodio se transmitió el 1 jun 1995
- 30min
Agrega una trama en tu idioma"You have a gem of a great idea, if you can perfect it," Joseph Henry of the Smithsonian Institute tells Alexander Graham Bell when he presents his theory for the invention of the telephone.... Leer todo"You have a gem of a great idea, if you can perfect it," Joseph Henry of the Smithsonian Institute tells Alexander Graham Bell when he presents his theory for the invention of the telephone. When Thomas Watson and Bell begin their work for a multiple telegraph, Bell becomes convi... Leer todo"You have a gem of a great idea, if you can perfect it," Joseph Henry of the Smithsonian Institute tells Alexander Graham Bell when he presents his theory for the invention of the telephone. When Thomas Watson and Bell begin their work for a multiple telegraph, Bell becomes convinced that he can send the complex sounds of human speech over a wire from its vibrations. ... Leer todo