Indicator of ionizing particles.

Everything else not included in the sectionsSignalers, indicatorsThe ionizing particle indicator has been produced since 1961 by the Leningrad plant "Elektrodelo". The indicator since 1971, maybe earlier, was produced at the stand from carbolite and with a more modern indicator, in contrast to the 1961 model, where the stand was made of wood, and the indicator was different.