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Just showing off a Cold War geiger counter I received today. Radioactive samples are on the way as well. Excited about this hobby! : r/Radioactive_Rocks
Geiger Counter – 1908 - Magnet Academy
GCA-03W Geiger Counter Nuclear Radiation Detection Monitor with Digital Meter and External Wand Probe - NRC Certification Ready- 0.001 mR/hr Resolution - 350 mR/hr Range: Science Lab Supplies: Amazon.com: Industrial & Scientific
Artifact of the Month: Geiger Counter – Diefenbunker Museum
How Does A Geiger Counter Work? - element14 Community
Giger Counter” Makes Radiation Detection Surreal | Hackaday