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Old Inventions

divide themselves

appliances in 1900

appliances in 1900

Black and white TV

Music Cassette

Sony Walkman

Film camera

Telegraph and Morse code

Typewriter

magnetic tape were mostly used in cars up

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They were very expensive, so

most people really did not have color TVs until

the 1970s.

30 years ago people were

very excited when they could first walk along and

listen to their favorite music.

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These days we use

digital cameras and smart phones to take

when they were replaced

by computers. Many journalists

and writers used them, but they

are not as convenient as

computers.

This technology has been

replaced by email and the internet, and before

that by the FAX machine.