▲ 9 r/Radium
Radium or Pm147 ?
I was gifted the frequency meter, airspeed indicator is out of an F4U, 20$ at a flea market. Nothing above background on the meter. I'm guessing not radium...
u/Smooth-Waltz9241 — 9 days ago
I was gifted the frequency meter, airspeed indicator is out of an F4U, 20$ at a flea market. Nothing above background on the meter. I'm guessing not radium...