Atomic Energy

The Max-Planck-institute for Biophysics installed the first Gamma-Ray spectrometer in Germany. The meter based on American developments measures and analyzes the amount, kind and exact location of radioactive substances in the human body. The Gamma-Ray spectrometer was installed in a steel chamber ten feet below ground in order to prevent cosmic rays from interfering with the measurements. Meter and installation cost about 60,000 dollars. Electronics engineer Gerhard Heigwer of the Max-Planck-Institute at the controls of the Gamma-Ray spectrometer outside the steel chamber in Frankfurt, Germany on Jan. 24, 1961. (AP Photo/Kurt Strumpf)


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