[R-390] Re: Refinishing meters
Barry Hauser
[email protected]
Wed, 30 Apr 2003 17:56:58 -0400
Now Joe -- DO NOT peg THAT meter!
Well, not in traffic, anyway.
Barry
----- Original Message -----
From: "Joe Foley" <[email protected]>
To: <[email protected]>
Sent: Wednesday, April 30, 2003 5:15 PM
Subject: Re: [R-390] Re: Refinishing meters
> The meters on my '67 EAC simply are NOT radioactive.
>
> Now, the speedometer on my '52 GMC Deuce-and-a-half is
> one hot sumbitch!
>
> Joe
>
>
>
>
>
>
> >
> > Would-be Meter Disassembles,
> >
> > I have the urge to repeat Morgan's Law of
> > Radioactive Meters and Regulator
> > Tubes: tu wit:
> >
> > DON'T BREAK THEM OPEN AND EAT THE INSIDES.
> >
> > To elaborate slightly:
> >
> > 1) SOME meters from R-390's and other radios have
> > glow-in-the-dark meters
> > containing alpha-emitting radioactive sources.
> > (EVen though it does not
> > glow anymore, the stuff is still in there.)
> >
> > 2) Many military OA2 and similar regulator tubes
> > have small amounts of
> > radioactive material in them to ensure reliable
> > ignition especially in the
> > dark and cold.
> >
> > In both cases (pun intended!) the stuff is pretty
> > harmless unless you get
> > the case open and get the material on you or inside
> > you (by breathing or
> > ingestion or through a cut or abrasion). Make sure
> > this does not happen!
> >
> > What does "pretty harmless" mean? I remember one
> > analysis that concluded
> > something like: You would have to place an R-390A
> > meter on your chest or
> > cheek for about 34 years before you'd be exposed to
> > radiation equivalent to
> > the minimum yearly radiation exposure. However,
> > ingestion or inhaling the
> > dust from a meter's markings or tube innards places
> > the material in direct
> > contact with your tissues and could lead eventually
> > to cancer or the
> > like. A sealed meter or unbroken regulator tube
> > envelope effectively
> > contains all alpha emissions.
> >
> > The bottom line:
> >
> > If you are going to take R-390 meters apart:
> > Make VERY sure you know what kind of meter you have
> > and what you are doing.
> >
> > Roy
> >
> > - Roy Morgan, K1LKY since 1959 - Keep 'em Glowing!
> > 7130 Panorama Drive, Derwood MD 20855
> > Home: 301-330-8828 Work: Voice: 301-975-3254, Fax:
> > 301-948-6213
> > [email protected] --
> >
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>
>
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