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.
Ice Melting Plates With Rims, 1 Aluminum Plate, 1 Plastic Foam Plate, Challenges Student'S Preconceived Notions On Concepts Of Heat And Thermodynamcs. The Melting Plates Display Quizzical Properties When An Ice Cube Melts On Each Plate, Demo For Conductivity And Heat Transfer.
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
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