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Hand Powered AC DC Motor Generator Demonstration Model Chemistry_Molecular Model Sets Beech wood test tube rack Beech wood test tube rack holds 12 tubes up to 20mm diameter in a 9 inch frame for organized storage during chemistry and biology experiments injection pump this motor generator pairs a split ring commutator against slip rings with bulb indicators Engineered to expose both AC and DC generation on a single hand cranked apparatus
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Hand-Powered AC/DC Motor Generator Demonstration Model Chemistry_Molecular Model Sets Beech wood test tube rack

Item no : 82249588781
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