SBM20 GM-tubes are still available on our Etsy Posted by iotdevicesdev on Sunday November 19, 2023 @04:33AM from the hackaday.io dept. https://hackaday.io/project/183103-ggreg20v3-ionizing-radiation-detector/log/225309-sbm20-gm-tubes-are-still-available-on-etsy-to-order-with-ggreg20v3 ( no comments | on HN )
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