Large Needle Electroscope, 1.5lbs, 7.0x6.0x4.0 in, ideal for classroom demonstrations of electrostatic principles, A light-weight metal vane, used as a pointer in the electroscope. A transparent scale, provided to measure the angle of the deflection
Advanced Spectroscopy Lab Sytem, MCA with MCS. Na(Tl) scintillation detector with lead shield and stand. Radioactive gamma source set: Ba133, Cd109, Co57, Co60, Mn54, Na22, Zn65 at 1uCi and Cs137 at 0.1uCi. Ships anywhere.