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24010 Original Secondary Coil Electromagnetic Sensor and Junior High School Electromagnetic Experiment to Verify Lenz's Law 0.00 sold.70,531 so'm
Teaching Resistance Box 0-9999.9 Ohm Electrical Rheostat Box Simple Resistance Box Demonstration Resistance Box Experimental Equipment 0.00 sold.117,552 so'm
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Fluorescent Lamp Principle Demonstrator Inductive Ballast Self-Inductive Phenomenon Physical and Electrical Experimental Equipment Teaching Instrument 0.00 sold.601,864 so'm
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Solution Conductivity Demonstrator Electrolyte Conductivity Experimental Equipment Diode Display Graphite Electrode Teaching Instrument 0.00 sold.1,159,389 so'm
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