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Liquid Transmitter invented
Elisha gray invented a Liquid Transmitter to use with a telephone. -
long distance plan
The first long distance telephone call between cambridge and boston massachusetts made by bell. -
electromagnetic telephone
Alexander Graham Bell gets a patent for the electromagnetic telephone. -
microphone
Emile Berliner invented a microphone to improve a telephone. -
The bell telephone company
The National Bell company is formed. -
automatic telephone exchange company
An independent automatic telephone exchange is formed. -
radiotelephone
The first radiotelephone public service. -
deep sea cable
The first Opening of the deep sea cable. -
transatlantic
The very first transatlantic telephone call from London to new york -
Videophone
The first videophone call from Washington D.C to New York City -
Wire and radio call
The first Wire and radio phone call -
The Parliament of Canada
The Parliament of Canada recognizes Alexander Graham Bell's invention of the telephone. -
Sources