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First Telephone Repeater

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(New page: '''This article is a stub. Please help expand the article by using the edit tab.''' On 18 October 1913 a telephone repeater developed by Western Electric was placed in serv...)
 
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'''This article is a stub. Please help expand the article by using the edit tab.'''  
 
'''This article is a stub. Please help expand the article by using the edit tab.'''  
  
On 18 October 1913 a [[Telephone|telephone]] repeater developed by Western Electric was placed in service on a circuit between New York and Philadelphia. It was probably the first high-[[Electron (or Vacuum) Tubes|vacuum tube]] amplifier in commercial service.
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On 18 October 1913 a [[Telephone|telephone]] repeater developed by Western Electric was placed in service on a circuit between New York and Philadelphia. It was probably the first high-[[Electron (or Vacuum) Tubes|vacuum tube]] amplifier in commercial service.  
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[[Category:Communications]] [[Category:Communication_equipment]] [[Category:Repeaters]]

Revision as of 21:03, 16 December 2009

This article is a stub. Please help expand the article by using the edit tab.

On 18 October 1913 a telephone repeater developed by Western Electric was placed in service on a circuit between New York and Philadelphia. It was probably the first high-vacuum tube amplifier in commercial service.