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Inventions and inventors with life history

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This powerpoint presentation is about different inventions and their inventors with their life history.

This powerpoint presentation is about different inventions and their inventors with their life history.

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  • 1. INVENTIONS AND INVENTORS WITH LIFE HISTORY
  • 2. ELI WHITNEY • Born: December 8, 1765 Westborough, America • Died: January 8, 1825 • Nationality: American • Education: Yale College • Children: 4 • Parents: Eli Whitney, Elizabeth
  • 3. COTTON GIN • Eli Whitney patented the Cotton Gin on March 14,1794. • The cotton gin is a machine that separates seeds, hulls and other unwanted materials from cotton after it has been picked.
  • 4. COTTON GIN
  • 5. ALEXANDER GRAHAM BELL • Born: March 3, 1847 Edinburgh, Scotland • Died: August 2, 1922 • Spouse(s): Mabel Hubbard • Children: 4 • Parents: Alexander Melville Bell and Eliza Bell
  • 6. TELEPHONE • In 1875,Alexander Graham bell built the first telephone. • The telephone is an instrument that converts voice and sound signals into electrical impulses for transmission by wire to a different location.
  • 7. TELEPHONE
  • 8. ELIAS HOWE • Born: July 9, 1819 Massachusetts • Died: October 3, 1867 • Spouse(s): Elizabeth Jennings Ames • Children: 3 • Parents: Elias Howe and Polly Howe
  • 9. SEWING MACHINE • The first functional Sewing Machine was invented by a French tailor. • Elias Howe patented the first lockstitch sewing machine in 1846.
  • 10. SEWING MACHINE
  • 11. NIKOLAY BASOV • Born: 14 December 1922 Usman, Russian SFSR • Died: 1 July 2001 • Known for: Invention of lasers and masers • Notable awards: Nobel prize in Physics
  • 12. LASERS • A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
  • 13. LASERS
  • 14. George de Bothezat • Born: June 7, 1882 Saint Petersburg • Died: February 1, 1940 • Nationality: Russian Empire, United States • Significant projects: de Bothezat helicopter
  • 15. HELICOPTER • The de Bothezat helicopter, also known as the Flying Octopus, was an experimental quadrotor helicopter built for the United States Army Air Service which came to be called as the Helicopter.
  • 16. HELICOPTER
  • 17. RICHARD JORDAN GATLING • Born: September 12, 1818 • Died: February 26, 1903 • Known for: Gatling gun
  • 18. MACHINE GUN • A machine gun is a fully automatic mounted, usually designed to fire bullets in quick succession from an magazine, typically at a rate of several hundred rounds per minute.
  • 19. MACHINE GUN
  • 20. CHRISTIAAN HUYGENS • Born: 14 April 1629 The Hague, Dutch Republic • Died: 8 July 1695 • Known for: Pendulum clock
  • 21. PENDULUM CLOCK • A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. • The advantage of a pendulum for timekeeping is that it is a harmonic oscillator.
  • 22. PENDULUM CLOCK
  • 23. THANK YOU FOR WATCHING A TEAM WORK BY Kavirathna Praveena Jeeva Deepika Pavithra Smrithi Lavanya Ellakkiya

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