Cracked Ring Magnet In A Microwave Magnetron - The Appliantology Gallery - Appliantology.org - A Master Samurai Tech Appliance Repair Dojo
Plasma Characteristics and Target Erosion profile of Racetrack-shaped RF Magnetron Plasma with weak rubber magnets for full Circular Target Utilization - Advances in Engineering
This came in my dad's antique store yesterday. The 2 balls rotate around 2 magnets. Anyone know what it is? : r/whatisthisthing