🗊Презентация Inventors and their inventions. Thomas Edison

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Inventors and their inventions. Thomas Edison, слайд №1Inventors and their inventions. Thomas Edison, слайд №2Inventors and their inventions. Thomas Edison, слайд №3Inventors and their inventions. Thomas Edison, слайд №4Inventors and their inventions. Thomas Edison, слайд №5Inventors and their inventions. Thomas Edison, слайд №6Inventors and their inventions. Thomas Edison, слайд №7Inventors and their inventions. Thomas Edison, слайд №8Inventors and their inventions. Thomas Edison, слайд №9Inventors and their inventions. Thomas Edison, слайд №10

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Слайд 1





Mysheniuk Maksym Parkulab Kolya     Form 9-B
Mysheniuk Maksym Parkulab Kolya     Form 9-B
School №7
Описание слайда:
Mysheniuk Maksym Parkulab Kolya Form 9-B Mysheniuk Maksym Parkulab Kolya Form 9-B School №7

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1847-1931
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1847-1931

Слайд 3


Inventors and their inventions. Thomas Edison, слайд №3
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To say that Thomas Edison invented the light bulb is both a huge overstatement and a huge understatement all at the same time. A more accurate view is that he perfected a practical light bulb and that his real aim and achievement was the invention of an electrical system to produce and distribute electrical power.
To say that Thomas Edison invented the light bulb is both a huge overstatement and a huge understatement all at the same time. A more accurate view is that he perfected a practical light bulb and that his real aim and achievement was the invention of an electrical system to produce and distribute electrical power.
Описание слайда:
To say that Thomas Edison invented the light bulb is both a huge overstatement and a huge understatement all at the same time. A more accurate view is that he perfected a practical light bulb and that his real aim and achievement was the invention of an electrical system to produce and distribute electrical power. To say that Thomas Edison invented the light bulb is both a huge overstatement and a huge understatement all at the same time. A more accurate view is that he perfected a practical light bulb and that his real aim and achievement was the invention of an electrical system to produce and distribute electrical power.

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 In 1878 the best source of lighting was gas. When gas burned it created soot. It degraded the air quality by emitting soot and depleting oxygen. 
 In 1878 the best source of lighting was gas. When gas burned it created soot. It degraded the air quality by emitting soot and depleting oxygen.
Описание слайда:
In 1878 the best source of lighting was gas. When gas burned it created soot. It degraded the air quality by emitting soot and depleting oxygen. In 1878 the best source of lighting was gas. When gas burned it created soot. It degraded the air quality by emitting soot and depleting oxygen.

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In 1878 Edison decided to throw the bulk of his attention and resources into the perfection of the light bulb. The only major exception to this pattern was his invention of the phonograph. 
In 1878 Edison decided to throw the bulk of his attention and resources into the perfection of the light bulb. The only major exception to this pattern was his invention of the phonograph.
Описание слайда:
In 1878 Edison decided to throw the bulk of his attention and resources into the perfection of the light bulb. The only major exception to this pattern was his invention of the phonograph. In 1878 Edison decided to throw the bulk of his attention and resources into the perfection of the light bulb. The only major exception to this pattern was his invention of the phonograph.

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When Edison started  working  on the light bulb the best dynamo around produced electricity at only 40% efficiency. He developed one that was 82% efficient.   
When Edison started  working  on the light bulb the best dynamo around produced electricity at only 40% efficiency. He developed one that was 82% efficient.   

By September of 1882 he had opened a central station on Pearl Street in Manhattan and was eventually supplying electricity to a one mile square section of New York.
Описание слайда:
When Edison started working on the light bulb the best dynamo around produced electricity at only 40% efficiency. He developed one that was 82% efficient. When Edison started working on the light bulb the best dynamo around produced electricity at only 40% efficiency. He developed one that was 82% efficient. By September of 1882 he had opened a central station on Pearl Street in Manhattan and was eventually supplying electricity to a one mile square section of New York.

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Thomas Edison is 22 years old. At this age he obtained his first patent.
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Thomas Edison is 22 years old. At this age he obtained his first patent.

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  Advertisement of Edison’s first phonograph
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Advertisement of Edison’s first phonograph

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Edison’s   light bulb
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Edison’s light bulb



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