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| Solar Cell Demonstration | Bell Demonstration | Air Core Solenoid with Variable Turns |
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Catalog #: 7002-10
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Catalog #: 1671
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Catalog #: 1431-15
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Our price: $26.50
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Our price: $28.80
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Our price: $42.50
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| Motor Generator Unit | Electrical Energy Conversion Demonstration | The Wind Generator |
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Catalog #: 1937
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Catalog #: 1977-1
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Catalog #: 7003-8
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Our price: $45.50
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Our price: $47.50
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Our price: $48.50
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| Amperes Law Apparatus | Wheatstone / Meter Bridge | Windmill Demonstrator |
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Catalog #: 1456-1
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Catalog #: 1896-1
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Catalog #: 7003-1
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Our price: $49.50
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Our price: $49.50
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Our price: $49.50
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| Hoffman Electrolysis Apparatus Glass Part And Electrodes | Water Turbine Apparatus | Ohm's Law Apparatus |
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Catalog #: 2017-20
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Catalog #: 7006-5
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Catalog #: 1905
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Our price: $54.50
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Our price: $59.50
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Our price: $78.50
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| Hoffman Electrolysis Apparatus Complete with Stand | Ring Thrower Lenz Law | Hoffman Electrolysis Apparatus with Hardware & Power Supply |
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Catalog #: 2017-20H
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Catalog #: 1927-25
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Catalog #: 2017-20HP
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Our price: $99.50
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Our price: $139.50
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Our price: $144.50
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