Geiger Counter, steady and speeding up and down, increases to 100s of clicks a second, with pulsing going off the charts. Invented in 1908 by Hans Geiger to detect Ionizing Radiation, now improved to add sensitivity in identifying danger. Geiger Teller detects radioactivity and radiation. Electronic,
Geiger Counter, starts steady & increases to 100s of clicks a second, with pulsing going off the charts, then slows down. Invented in 1908 by Hans Geiger to detect Ionizing Radiation, now improved to add sensitivity in identifying danger. Geiger Teller detects radioactivity and radiation. Electronic,
Geiger counter, steady and speeding up and down, increasing to 100s of clicks a second, pulsing going off the charts. Invented in 1908 by Hans Geiger to detect Ionizing Radiation, now improved to add sensitivity in identifying danger. Geiger Teller detects radioactivity and radiation. Electronic,
