INVENTIONS AND INVENTORS WITH LIFE

HISTORY

INVENTIONS AND INVENTORS WITH LIFE

HISTORY

ELI WHITNEY

• Born: December 8, 1765

Westborough, America• Died: January 8, 1825 • Nationality: American• Education: Yale College• Children: 4• Parents: Eli Whitney,

Elizabeth

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.

COTTON GIN

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

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.

TELEPHONE

ELIAS HOWE

• Born: July 9, 1819

Massachusetts• Died: October 3, 1867• Spouse(s): Elizabeth

Jennings Ames • Children: 3 • Parents: Elias Howe

and Polly Howe

SEWING MACHINE

• The first functional Sewing Machine was invented by a French tailor.

• Elias Howe patented the first lockstitch sewing machine in 1846.

SEWING MACHINE

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

LASERS

• A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.

LASERS

George de Bothezat

• Born: June 7, 1882

Saint Petersburg• Died: February 1, 1940• Nationality: Russian

Empire, United States• Significant projects: de

Bothezat helicopter

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.

HELICOPTER

RICHARD JORDAN GATLING

• Born: September 12, 1818

• Died: February 26, 1903

• Known for: Gatling gun

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.

MACHINE GUN

CHRISTIAAN HUYGENS

• Born: 14 April 1629

The Hague, Dutch Republic

• Died: 8 July 1695 • Known for: Pendulum

clock

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.

PENDULUM CLOCK

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Kavirathna Praveena Jeeva Deepika Pavithra Smrithi Lavanya Ellakkiya