Uploaded August 2014 | Updated September 2026, 1 week ago
Radiation check of some vintage aircraft using a Ludlum model 19 survey meter. Radiation being emmitted by Radium painted instrument dials in the cockpit. Danger of exposure to accumulated Radon gas in cockpits, beware!
Radiation check of some vintage aircraft using a Ludlum model 19 survey meter. Radiation being emmitted by Radium painted instrument dials in the cockpit. Danger of exposure to accumulated Radon gas in cockpits, beware!










