Hi Breck - Nice video - as usual! You might motivate me to revive my BC-659. HiHi
Just for fun I tested the meter needle for radioactivity. Mine reads 0.22 mR/hr with the detector touching the panel. That's about 20 times my local background. It falls off via 1/r^2 as expected. The GQ GMC-800 Geiger counter cannot detect the alpha's from the radium (the meter glass stops those anyway) but it does detect the associated gamma's.
No great concern, we all know the precautions...
Thanks for posting your work!
73, Tim
N6CC