Month: September 2019

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…

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…

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…