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Hand-Powered AC/DC Motor Generator Demonstration Model Chemistry_Molecular Model Sets this metal helix lets stairwell-scale
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Hand-Powered AC/DC Motor Generator Demonstration Model Chemistry_Molecular Model Sets this metal helix lets stairwell-scale
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Hand Powered AC DC Motor Generator Demonstration Model Chemistry_Molecular Model Sets this metal helix lets stairwell scale this metal helix lets stairwell scale wave propagation experiments amplify the visibility of standing waves Benchtop hydro electric power station at 13 by 9 by 7 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 this metal helix lets stairwell-scale
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82249588781
US$ 85.99
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