television

Essay specific features

 

Issue:

History

 

Written by:

Michael R

 

Date added:

July 27, 2012

 

Level:

 

Grade:

A

 

No of pages / words:

5 / 1343

 

Was viewed:

7236 times

 

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Essay content:

Bell's photophone used light to transmit sound and he wanted to advance his device for image sending. George Carey builds a rudimentary system with light-sensitive cells. 1881: Sheldon Bidwell experiments with telephotography, another photophone. 1884: Paul Nipkow sends images over wires using a rotating metal disk technology calling it the "electric telescope" with 18 lines of resolution...
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Bell's photophone used light to transmit sound and he wanted to advance his device for image sending. George Carey builds a rudimentary system with light-sensitive cells. 1881: Sheldon Bidwell experiments with telephotography, another photophone. 1884: Paul Nipkow sends images over wires using a rotating metal disk technology calling it the "electric telescope" with 18 lines of resolution...
displayed next 300 characters

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