[Milsurplus] R390 Meter?

[Todd, KA1KAQ]

Dave: Yes.

On Wed, Feb 14, 2018 at 10:02 AM, Ray Fantini <RAFANTINI at salisbury.edu> wrote:
> Also the late production ones don’t have the radiation warnings on them so
> maybe they did not use radium? Tritium replaced radium for use sometime in
> the early sixties and although I am no expert on this have some vague idea
> that Tritium has a relatively short half-life and within thirty or forty
> years is no longer dangerous, where radium has a half-life of something like
> fifteen hundred years so that stuff is going to be around forever as far as
> we are concerned.

Wonder if that's what is in one of the meters I have here? It's a
later model, and actually glows *blue*, not the typical
greenish-yellow. Would be nice to find a mate to it.

> Long story short is all radium stuff is
> an issue these days, some worse than others like the TBY, also lots of the
> Russian aircraft stuff like the US-9 Russian version of the BC-348 are
> loaded with radium base paints and may be an issue in today’s world.

I've yet to ship anything containing radium paint but always wondered
if it was strong enough to be a reading. Radiation detectors are used
to some extent to screen items, so I never felt comfortable selling
something to someone that could disappear in shipping.

~ Todd,  KA1KAQ/4