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Electrical Inventions

Electrical Inventions. By: Rebekah Douglas. Calculator. It was invented by Blaise Pascal. It was worked on in the years of 1642 through 1645. A calculator is a small device that calculates perfect answers requiring manual action for each problem . . Sewing Machines.

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Electrical Inventions

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  1. Electrical Inventions By: Rebekah Douglas

  2. Calculator • It was invented by Blaise Pascal. • It was worked on in the years of 1642 through 1645. • A calculator is a small device that calculates perfect answers requiring manual action for each problem. .

  3. Sewing Machines • Sewing machines were invented in 1845. • Sewing machines can be used for fixing clothes or making them. • Isaac Singer and Elais Hower were the inventers.

  4. Movie Projectors • Movie Projectors (or Early Film Devices) were invented in the 1890s. • Early film devices were created by inventors all over the world. • Thomas Edison was the inventor. • It was used with film or to make a movies.

  5. Typewriters • Typewriters were used for writing in characters similar to those produced by printers. • It was invented by Christopher Lather Sholes. • It was patent on June 23, 1868.

  6. Video Cassette • A video cassette is a cassette enclosing a length of a tape for a video recording . • JVS invented the recorder. • It was first used in 1951.

  7. iPad • The idea started on April 8,2008. • The inventor was Steve Jobs, CEO of Apple Inc. • The iPad can be used for apps, internet, books etc.

  8. How Electricity Is Important to Me • Electricity is important to me because without it most people would have to do things the old fashioned way and kids aren't used to that. • Electricity is important because I use it everyday. Classrooms could not have light without electricity. So many things use electricity it would be hard to let them go. • Electricity is used for so many things and I am very grateful.

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