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Electrical Inventions

Electrical Inventions. By Louis Gonzalez 5-A. The Computer. The first mechanical machine defined as a computer was invented in 35,000 BC. , it was a machine that helped people count. The first electronic computer was invented by Charles Babbage in 1938.

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Electrical Inventions

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  1. Electrical Inventions By Louis Gonzalez 5-A

  2. The Computer • The first mechanical machine defined as a computer was invented in 35,000 BC. , it was a machine that helped people count. • The first electronic computer was invented by Charles Babbage in 1938. • The first computer was the size of a large room and used as a group of modern computers

  3. The Telephone • The Telephone was invented by Alexander Graham Bell. • The Telephone is used to speak to others when they are not in front of you. • The Telephone was invented in 1876. • The first long distance call was made in Orlando Canada

  4. The Light Bulb • The Light Bulb was invented in 1809. • It was invented by Humphry Davy. • It is used to illuminate areas while it is dark. • It was considered dangerous when it was first invented.

  5. The Refrigerator • The Refrigerator is used to keep food and drinks from spoiling. • The Refrigerator was invented by William Cullen • It was invented in 1834. • The First Refrigerator was called an ice box.

  6. The Sewing Machine • It was invented in 1775. • It was invented by Elias Howe. • The Sewing machine is used to sew automatically without doing it by hand.

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