Highly evacuated electron tube with focusing electron gun and fluorescent screen inclined relative to the beam axis, so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied.
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.
Introduction, coding and robotics, For grades 3, 4 and 5. Includes access to download standards based curriculum with worksheets, rubrics, and more. 200 parts - including software and control unit.Packed in plastic Gratnells storage box.
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