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History of the telephone
Histroy of the telephone about the inventors and the people who had a part in it. -
Transmitter
Phillip Reis: he made a transmitter that was made of a diaphragm, which was made out of a thin membrane that carries a platinum co -
Paper
Phillip Reis sent a paper into the physical sociaty of Frankfurt about transmitting speech across a wire. -
The Patent
Alexander told his dad in law about his idea of a telephone and he patented it for him -
The solution
Alexander graham bell creates a solution to fix the problem with his invention. -
The Notebook entry
Alexander Graham Bell did a notebook entry on his succesful test with the telephone -
The point
Alexander graham bell understands the point of his invention.