SI-31G geiger
l.i.papadopol
This is the biggest geiger tube I have seen! I’ve bought one for 25€ at eBay. Glass tube, thermostable. Cathode: tungsten powder. Length of the plateau: not less than 200V…
MadExp DIY Gamma spectrometry spectroscopy electronics radiation detection retrocomputing scintillators HPGe HV high voltage
This is the biggest geiger tube I have seen! I’ve bought one for 25€ at eBay. Glass tube, thermostable. Cathode: tungsten powder. Length of the plateau: not less than 200V…