4 ms·
I have assembled two of these: http://www.ebay.com.au/itm/like/321502371329?lpid=107&chn=ps http://www.ebay.com.au/itm/like/321502371329?lpid=107&chn=ps they re
by ageofwant 10y ago
I have assembled two of these: http://www.ebay.com.au/itm/like/321502371329?lpid=107&chn=ps http://www.ebay.com.au/itm/like/321502371329?lpid=107&chn=ps they re great fun. Best radiation source are old thorium doped gas incandescent gas mantels: http://www.ebay.com.au/itm/Geiger-Counter-Test-Source-Thorium-Mantle-scintillator-check-/322274097903?hash=item4b09087aef:g:nVAAAOSw0fhXlKuP http://www.ebay.com.au/itm/Geiger-Counter-Test-Source-Thoriu...
You are welcome.
- flashman 10y agoWhere did you source your Geiger-Müller tube?
- ageofwant 10y agoThe Russians sell them by the bucket on ebay: http://www.ebay.com.au/itm/TESTED-SBM-20-GEIGER-MULLER-TUBE-COUNTER-STS-5-NOS-SBM20-20-/121971429216?hash=item1c66104f60:g:n~0AAOSw9N1VkV7W http://www.ebay.com.au/itm/TESTED-SBM-20-GEIGER-MULLER-TUBE-...