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Mechanical Acoustic Devices
This device was able to make speech travel further than when you yelled. An example of this is the two tin cans (or “diaphragms”) using a taut string or wire. -
Scientist Theorises You Can Transmit Messages Through Electricity
One Scottish scientist named Charles Morrison proposed an important theory: you could transmit messages through electricity by using different wires for each letter. Morrison is credited as the first person to theorise that an electric telegraph could exist. -
Telephone Like Device
Antonio Meucci, he constructed telephone-like devices. -
"Reis" Telephones
Johann Philipp Reis constructed “Reis” telephones, but stopped just short of making these telephones practical, working devices. -
First Telephone
Alexander Graham Bell invented the first telephone -
Tivadar Puskas Switchboard
Tivadar Puskas invented the telephone switchboard exchange. -
First Telephone Line is Constructed
The first regular telephone line between Boston and Somerville, Massachusetts had been completed -
Bell Telephone Company
Bell Telephone Company – named after Alexander Graham Bell – was established in 1878. Today, we know that company as American Telephone and Telegraph, or AT&T. -
First Payphone
The world’s first pay phone was created and patented by an inventor named William Gray from Hartford, Connecticut. The pay phone was coin-operated and installed in Hartford Bank. -
Candlestick Phones
The candlestick phone was separated into two pieces: a mouthpiece that stood upright (“the candlestick”) and a receiver, which was placed in your ear when you were placing a phone call. -
Elisha Gray Telephone
Elisha Gray used a water microphone to create a telephone in Highland Park, Illinois. Gray and Bell developed their inventions simultaneously and independently, which is why these two would fight a vicious legal battle over who actually invented the telephone . -
Touch Tone Phones
These phones used tones in the voice frequency range – much different from the pulses generated by rotary dials. You pressed the buttons on the phone to make a phone call. -
Cordless Phones
In 1986, the FTC had released the frequency range between 47 and 49 MHz for use by cordless phones. -
First Cell Phones
Cell phones have obviously exploded with growth over the past 20-odd years. But the first cell phone dates back to post-World War II America.
