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History of the manufacturer  

Long Distance Wireless Instrument Company; Boston, MA

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Name: Long Distance Wireless Instrument Company; Boston, MA    (USA)  
Abbreviation: long-dista
Products: Model types Brand
Summary:

Long Distance Wireless Instrument Company
Boston, Massachusetts
(August 1909 issue of the Electrician and Mechanic magazine advertisement on page xxvii)

The company offered a line of wireless equipment. 
Tubes were made with the Long Distance brand but manufacturer is unknown.

History:

This manufacturer was suggested by Alan Larsen.


Some models:
Country Year Name 1st Tube Notes
USA  09/10 Tuning Coil    
USA  09 Receiving Set Type A   Receiving range 100 to 2,000 meters.  
USA  09 Crystal Detector    
USA  09 Carborundum Crystal Detector   Marble based carborundum crystal detector by the Long Distance Wireless Instument Company.... 

[rmxhdet-en]
  

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