[R-390] meter luminescence

[Roy Morgan]

On Jan 15, 2014, at 1:27 PM, Adam Vaughn <adamant316 at verizon.net> wrote:

> (apologies for the blank messages; it seems that the mailing list does not agree with my email system's online client, for some reason)
> 
> The meters on my '67 EAC R-390A have lighter-colored markings than the meter on my '51 Collins R-392. ... the R-392's meter is very 'hot'. The substance in the paint on these meter markings which actually glows is apparently zinc sulfide, which degrades much quicker than the radium which induces the glow

Adam,

Thanks for this report and information about the materials.

May I offer this for consideration:


Morgan’s Rule for Radioactive Meters and Tubes

DON’T BREAK THEM OPEN AND EAT THE INSIDES!


ROY

Roy Morgan
RoyMorgan at alum.mit.edu
K1LKY Since 1958