[Boatanchors] unknown octal device

[Dave Harmon]

There IS some info out there if you Google it.
I found it in seconds.

Dave Harmon
K6XYZ[at]sbcglobal[dot]net
Sperry, Ok.


-----Original Message-----
From: boatanchors-bounces at mailman.qth.net
[mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of J. Forster
Sent: Tuesday, January 17, 2012 4:54 PM
To: hn Gerry Steffens
Cc: 'Boatanchors-qth'
Subject: Re: [Boatanchors] unknown octal device

OK. Probably not a transformer then.

-John

==========


> The devices feel lighter or about the same as a tube.
>
> The only cold DC resistance I find between the five pins is 35 ohms 
> between pins 2 & 6.
>
> I will attempt to get my Cannon back from my son and post a pic.  
> However, I am quite sure they are ballasts.
>
> The appearance is similar to an old GE ? black metal tube that had 
> three diameters, each being smaller as one traverses from the base to 
> the top (the base-widest, the main part of the tube somewhat smaller 
> in diameter and a small portion at the top which is about a 1/4 inch 
> less in diameter that the main part).
>
> The device is different having only two different diameters.  The 
> first is the base & main part of the device are all the same diameter, 
> the diameter of the octal base, and totally about 2 & 3/4 inches tall.
Then the "cap"
> is
> about 1/4 inch less in diameter and about 1/4 inch in height.  The 
> device is about 3 inches tall, not counting the pins.
>
> Thanks,
> Gerry
>
>
>
>
>
>
> -----Original Message-----
> From: boatanchors-bounces at mailman.qth.net
> [mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of J. Forster
> Sent: Tuesday, January 17, 2012 1:34 PM
> To: Gerry Steffens
> Cc: 'Boatanchors-qth'
> Subject: Re: [Boatanchors] unknown octal device
>
> Triad made transformers. They sound similar to the UTC Ouncer line. 
> Are they significantly heavier than a tube would be? If so, they could 
> well be a Lint-to-Grid ot Plate-to-Line transformer.
>
> -John
>
> ================
>
>
>> While going through and cataloging my tube supply I came across three 
>> identical devices I cannot identify.  I assume they are ballast tubes.
>> Are
>> they?
>>
>> They are black metal cylinders about 1.375 inches in diameter and 
>> about 3 inches tall with effectively an octal tube base on one end 
>> with 5 pins and a with a small narrowing of the cylinder to a lesser 
>> diameter for the last quarter of an inch at the top or other end.
>> They are marked (actually stamped into the metal) TRIAD with 10A 
>> below the name.  There is a 3/8 inch wide band of knurling around the 
>> cylinder about 3/4 inch down from the top.
>>
>> I have executed quite a few Google searches in attempting to ID these 
>> things.  Everything TRIAD comes up with fluorescent light ballasts.
>> Also checked out the Playthings of the Past website's Ballast Tube 
>> listings - no 10A and no mention of TRIAD.
>>
>> Anyone have an idea what these critters are or who might need (or
>> want) them?  Since they don't appear to be gold, platinum or silver 
>> they are probably available for postage, 'cause I really don't 
>> suspect they are like that Picasso painting I had always hoped to 
>> find stashed in a house I bought.  But, I really hate to toss out 
>> stuff that someone might be looking for to do restorations.  I think 
>> I have had them for 50 or more years.  I believe they arrived in some 
>> boxes of stuff given away when the Jamestown, North Dakota Ham club 
>> went inactive back in the early 1960s.  Besides, dragging them across 
>> a number of states over the years, I suspect they are tired of hiding 
>> and might appreciate a good home where they are needed or wanted.
>>
>> Cheers,
>>
>> Gerry
>>
>> Gerald Steffens P.E.
>> Radio Historian, collecting & restoring E.H. Scott, McMurdo Silver, 
>> Hallicrafters, National, Zenith Transoceanics & any other interesting 
>> radios & classic Oldsmobiles
>>
>>
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>
>
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