Vintage (circa 1944) Victoreen 6107 / BS 212 GM tubes & HV PSU I picked up these little gems (and they are!) along with a (matching?) power supply, crystal earpiece and instructions on using them to make a rudimentary Geiger counter. I got them for £26.20 shipped, which I think is great price for these pieces of history, although they were sold as parts and unknown if working/no way to test. As it happens, both tubes work great! One tube came wrapped up in vintage fluff in it's original box and the other tube was loose. The loose tube was in worse condition than the boxed one. The boxed
