Posted in S-series

SI-31G geiger

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…

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Posted in Dosimeter

Soviet Beta Radiometer KRB-1 (КРБ-1)

Hello together, I´m Stanislav, Lucian´s friend, and today we are talking about some soviet stuff 🙂 Fig.1: KRB-1 Just found this jewel on a local…

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Posted in DIY

Lead castle

A lead castle, also called a lead cave or a lead housing, is a structure composed of lead to provide shielding against gamma radiation in…

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