The Radioactive Gamma sources set includes eight different gamma emitting isotopes covering the entire energy range from 32 to 1333 keV Contains: Ba-133, Cd-109, Co-57, Co-60, Cs-137, Mn-54. Na-22 and Cs/Zn, mixed source of Cs-137 and Zn-65 to identify unknown isotope
Cube, Individual cubes for density experiments, Available in eight different materials: acrylic, aluminum, brass, copper, nylon, polypropylene, PVC, and steel, Each material is represented by a 1/2inch, 1inch and 11/2inch cube