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There was a group of tube companies from Pawtucket RI that I have not been able to find much about other than examples and tubes. Looking at the engraving on the bases of the tube for the company name, and a 3 digit code, I have concluded that the tubes in this group of companies had something to do with Triad radio tubes.

Below is the bases of 4 tubes. One Triad, one Long-Life and two Real-Tone. All have the 3 digit code, the first digit being a "T". All the boxes from this group of Pawtucket companies also have the same style of boxes. These companies are, All-Wave, Real-Tone, Royal, Long-Life, MidWest, Diktator, Tip-Top, and Nu-Star.

I am not sure of this connection to Triad but the circumstantial evidence is there.

I have finally found definitive proof of the connection between Triad and at least the Real-Tone tube name.


Providence Journal April 1, 1934


Official Gazette
Of The
United States Patent Office March 27, 1934


Triad Tube Base

Long-Life Tube Base

Real-Tone Tube Base

Real-Tone Tube Base






Click to enlarge
Royal Tube Company
Pawtucket, RI
Type 26


Click to enlarge
Royal Tube Company
Pawtucket, RI
Type 26


Click to enlarge
Royal Tube Company
Pawtucket, RI
Type 26


Click to enlarge
The Tube Above Has a Sticker
From Steinberg's in Cincinnati, OH

Click to enlarge
The Tube Above Has a Sticker
From Steinberg's in Cincinnati, OH

Click to enlarge
Royal Tube Company
Pawtucket, RI
Type 6FCG


Click to enlarge
Royal Tube Company
Pawtucket, RI
Type 6FCG


Click to enlarge
Royal Tube Company
Pawtucket, RI
Type 6FCG


Click to enlarge
Royal Tube Company
Pawtucket, RI
Type 6FCG


Click to enlarge
All-Wave Tube Company
Pawtucket, RI
Type 58


Click to enlarge
All-Wave Tube Company
Pawtucket, RI
Type 34


Click to enlarge
All-Wave Tube Company
Pawtucket, RI
Type 26


Click to enlarge
All-Wave Tube Company
Pawtucket, RI
Type 26


Click to enlarge
All-Wave Tube Company
Pawtucket, RI
Type 26
With T48 Triad


Click to enlarge
Real-Tone
T47 Marking Made by Triad


Click to enlarge
Tip-Top
Made by Triad


Click to enlarge
Tip-Top
Made by Triad


Click to enlarge
Long-Life Tube Company
Pawtucket, RI
Type 24A
With T28 Triad


Click to enlarge
Long-Life Tube Company
Pawtucket, RI
Type 24A
With T28 Triad


Click to enlarge
Long-Life Tube Company
Pawtucket, RI
Type 24A
With T28 Triad


Click to enlarge
Long-Life Tube Company
Pawtucket, RI
Type 24A
With T28 Triad


Click to enlarge
Real-Tone Tube Company
Pawtucket, RI
Type 32


Click to enlarge
Real-Tone Tube Company
New York, NY
Type 32
This tube and box are exactly the same
as the one above made in Pawtucket, RI
but made in New York, NY




Click to enlarge
Real-Tone Tube Company
Pawtucket, RI
Type 2A5


Click to enlarge
Real-Tone Tube Company
Pawtucket, RI
Type 2A5


Click to enlarge
Real-Tone Tube Company
Pawtucket, RI
Type 2A5


Click to enlarge
Real-Tone Tube Company
Pawtucket, RI
Type 80



Real Tone 2A5 Box

Click to enlarge
All-Wave Tube Company
Pawtucket, RI
Type 85

Click to enlarge
Real-Tone Tube Company
Pawtucket, RI
Type 80

Click to enlarge
Real-Tone Tube Company
Pawtucket, RI
Type 80

Click to enlarge
Real-Tone Tube Company
Pawtucket, RI
Type 80

Click to enlarge
Real-Tone Tube Company
Pawtucket, RI
Type 80

Click to enlarge
Real-Tone Tube Company
Pawtucket, RI
Type 27

Click to enlarge
Tip-Top Magic Eye 6C5GST.
Photo by Larry Daniel.

Click to enlarge
Tip-Top 215.
Photo by Larry Daniel.

Click to enlarge
Royal, Long-Life, Diktator, and Real-Tone
All tubes with similar boxes to All-Wave.
Photo by Larry Daniel.

Click to enlarge
Nu-Star
With similar box to All-Wave
Photo by Larry Daniel.

Click to enlarge
Nu-Star
Two Nu-Star Tubes
Nu Star 35-51 and a Nu Star 24A
Both with the Triad base markings
Photos by Fin Stewart
www.radiomuseum.org.

Click to enlarge
Midwest
Another tube with similar boxes to All-Wave.
Photo by Larry Daniel.


Air-Castle
This one is questionable
Same box style but????
Photo by Larry Daniel.


Air-Castle
This one is questionable
Same box style but????

Click to enlarge
Real-Tone
Another tube with similar boxes to All-Wave.


Click to enlarge
Long-Life
Another tube with similar boxes to All-Wave.


Click to enlarge
Long-Life
Another tube with similar boxes to All-Wave.


Click to enlarge
Long-Life
Another tube with similar boxes to All-Wave.


Click to enlarge
Real-Tone
Another tube with similar boxes to All-Wave.



The Eugene Guard
April 25th, 1933.


Daily News May 14, 1933.


Pawtucket Times July
13, 1933.


Dayton Daily News
August 24, 1933.


Pawtucket Times
September 6, 1933.


The Indianapolis News
October 3rd 1933.


Pawtucket Times
October 18, 1933.


The Indianapolis News
October27th 1933.


Pawtucket Radio
November 3, 1933.


The Evening Standard
November 16th 1933.


Pawtucket Times
December 8, 1933.


Pawtuckwt Times
February 2, 1934.


Daily News February 2, 1934


Estherville Daily News
February 6, 1934.


Pawtucket Times
February 14, 1934 .


The Tribune
March 16th, 1934.


The Park City Daily News
March 22, 1934.


St Louis Post-Dispatch
March 28, 1934.


The Kansas City Times April 13, 1934.


The Pittsburgh Press
April 20, 1934.


St Louis Post-Dispatch May 23rd, 1934,


The Pittsburgh Press
May 24th, 1934,


The St Louis Star and Times
July 25th, 1934.


Fort Worth Star Telegram
September 25, 1934.


The Pittsburgh Press
October 22th, 1934,


St Louis Post-Dispatch October 24th, 1934,


The Evening News
December 6, 1934.


The Evening News
January 24, 1935.


Intelligencer Journal March 1, 1935


St Louis Post-Dispatch May 27th, 1935,


The St Louis Star and Times
July 25, 1935.


St Louis Post-Dispatch
July 25, 1935,.


The Lima News
September 4, 1936.


The St Louis Star and Times
January 14, 1937.


The Montgomery Advertiser
December 8, 1938