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Demonstrator of Linear Current Magnetic Inducti...
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Deluxe Single pole single throw switch for phys...
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50 ohm slide rheostat variable resistor for lab...
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Battery Box/battery case/cell box
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AC electricity Circuit Characteristic Demonstrator
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0~200 ohm Sliding Rheostat Resistor For Teaching
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0~20 ohm lab Adjustable Slide Rheostat for expe...
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Static electricity Wimshurst Generator physics ...
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single phase detachable transformer for teaching