1 / 6

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.

svein
Download Presentation

Electrical Inventions

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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.

More Related