[R-390] meter luminescence

[Ted Breaux]

The Plutonium comment was meant as a Joke.


----- Original Message ----- 
From: "rbethman" <rbethman at comcast.net>
To: <r-390 at mailman.qth.net>
Sent: Wednesday, January 15, 2014 11:18 AM
Subject: Re: [R-390] meter luminescence


> The idea of Plutonium on dial faces is absolutely absurd!
> 
> It takes a Uranium fissile process to create Plutonium - period.
> 
> The radioactive material - Plutonium - is HIGHLY radioactive and WILL 
> remain so for some 24 ** (4) or longer.  IOW - 24000 years for the 
> half-life.
> 
> The military has NEVER used such.  The only radioactive elements used, 
> have been Radium, and Tritium.
> 
> Bob - N0DGN
> 
> 
> On 1/15/2014 11:20 AM, Ted Breaux wrote:
>> Plutonium is known to do that!
>>
>>
>> ----- Original Message ----- From: "KA9EGW" <ka9egw1 at britewerkz.com>
>> To: <r-390 at mailman.qth.net>
>> Sent: Wednesday, January 15, 2014 8:14 AM
>> Subject: [R-390] meter luminescence
>>
>>
>>> Seen plenty of blah brown meters that do nothing but move the 
>>> pointer, in
>>> '390's and '390A's, in my day.  Never before seen ones where the 
>>> markings
>>> glow a "Luna Moth green" after exposure to light, like the hands on a 
>>> Big
>>> Ben clock of some years back.  Were there actually meters that had the
>>> strontium aluminum silicate [I'm guessing at the composition here] 
>>> rather
>>> than the radium?  73, Brian KA9EGW
> 
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