Invention of the Telephone
Early Telephone Designs
Telephone Network Expansion
Communication Before Telephones
The Impact of the Telephone
100

This man invented the telephone in 1876.

Alexander Graham Bell

100

The wooden box phone from the 1880s was known for this feature.

Hand-cranked generator

100

The first coaxial cable for multiple calls was laid in this year.

1937

100

Before telephones, this was the most common method of sending written messages over long distances.

Telegrams

100

The telephone allowed this type of communication to replace telegrams and letters.

Instant communication

200

Alexander Graham Bell made the first telephone call to this person.

Thomas Watson

200

The rotary dial phone was introduced in this decade.

The 1920s

200

This shared phone line system allowed multiple households to use the same line.

Party lines

200

The telephone made this traditional form of communication obsolete.

Letter writing
200

This emergency service number was introduced in the U.S. in 1968.

911

300

The telephone transmits this through wires.

Electrical signals

300

This 1960s phone innovation replaced the rotary dial.

Touch tone keypad

300

Long-distance calling became common with the development of this type of network.

Cable networks

300

This communication system was used for short-distance messages before the telephone.

Telegraph

300

The telephone contributed to this global business phenomenon.

Globalization

400

Alexander Graham Bell received a patent for the telephone in this year.

1876

400

This type of phone freed users from the cord in the 1980s.

The cordless phone

400

This decade saw widespread telephone systems in households.

The 1950s

400

People used these for long-distance audio communication before the telephone.

Messengers

400

The telephone revolution significantly improved this aspect of business operations.

International communication

500

Bell’s telephone paved the way for this modern telecommunication technology.

The mobile phone

500

This phone model, introduced in 1994, marked the beginning of modern smartphones.

IBM’s first smartphone

500

Early telephones required operators for this reason.

Connecting calls (no direct dialing)

500

This early form of communication required individuals to be in the same room to exchange information.

Face-to-face conversation

500

This type of crisis response was greatly enhanced by the telephone.

Emergency response

M
e
n
u