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History of the manufacturer  

Royal Tube Co.; Pawtucket, RI

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Name: Royal Tube Co.; Pawtucket, RI    (USA)  
Abbreviation: royal1
Products: Brand
Summary:

Royal Tube Co.
Pawtucket, Rhode Island

Box for type 6F6G tube has been located. This brand was used by the Triad Manufacturing Co Inc.

History:

This manufacturer was suggested by Fin Stewart.


[rmxhdet-en]

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

Evening News Dec 6th 1934tbn_theeveningnewsdecember6_1934.jpg
Evening News January 24, 1935tbn_theeveningnewsjanuary24_1935.jpg

  
rmXorg