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History of the manufacturer  

Cleartron Vacuum Tube; New York City, NY

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Name: Cleartron Vacuum Tube; New York City, NY    (USA)  
Abbreviation: cleartron
Products: Tube manufacturer
Summary:

Cleartron Vacuum Tube: 28 West 44th St New York City, NY.

The company also made Hi-Constron branded tubes. This is mentioned on page 170 of the Radio Trade Directory, 1925 and page 356 of Tyne's "Saga of the Vacuum Tube".

History:

Cleartron Vacuum Tube made the Emerson Multivalve which was developed by Emerson Radval Corporation, New York. The tube was rarely used in manufactured sets and only about 1929 to 1931.


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Further details for this manufacturer by the members (rmfiorg):

Radio Broadcast, Dec. 1925, p. 238tbn_usa_cleartron.jpg
Radio Broadcast, Jan. 1926, p. 394tbn_usa_cleartron~~1.jpg
Radio Age for November, 1925 magazine page 67tbn_usa_cleartrone_nov._1925_radio_age_67.jpg
Popular Radio December 1925tbn_cleartron_popular_radio_december_1925.jpg

Forum contributions about this manufacturer/brand
Cleartron Vacuum Tube; New York City, NY
Threads: 1 | Posts: 1
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Cleartron Vacuum Tube Company
Fin Stewart
15.Dec.14
  1

The firm of Cleartron Radio Ltd in the UK was a subsidiary of the US company and had its offices in 1 Charing Cross Rd, London SW1. The factory was at 21 Cumberland St Birmingham and operated from 1925 to 1927, making and assembling a number of tubes during these years.

 
Cleartron Vacuum Tube; New York City, NY
End of forum contributions about this manufacturer/brand

  
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