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| Conductivity Meter, Tester | Conductivity of Solutions Apparatus | Electrical Energy Conversion Demonstration |
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Catalog #: 1976-27
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Catalog #: 1976-28
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Catalog #: 1977-1
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Our price: $17.50
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Our price: $9.40
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Our price: $47.50
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| Handheld DC Hand Generator | Thermocouple Demonstration | Hoffman Electrolysis Apparatus Glass Part And Electrodes |
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Catalog #: 1978-1
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Catalog #: 1997
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Catalog #: 2017-20
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Our price: $12.50
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Our price: $3.00
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Our price: $54.50
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| Hoffman Electrolysis Apparatus Complete with Stand | Hoffman Electrolysis Apparatus with Hardware & Power Supply | Copper Voltameter Electrolysis Apparatus |
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Catalog #: 2017-20H
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Catalog #: 2017-20HP
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Catalog #: 2028
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Our price: $99.50
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Our price: $144.50
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Our price: $15.25
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| Solar Cell Demonstration | Windmill Demonstrator | The Wind Generator |
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Catalog #: 7002-10
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Catalog #: 7003-1
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Catalog #: 7003-8
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Our price: $26.50
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Our price: $49.50
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Our price: $48.50
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| Solar Car Electricity | Transformation of Energy | Water Turbine Apparatus |
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Catalog #: 7005-10
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Catalog #: 7005-17
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Catalog #: 7006-5
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Our price: $16.50
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Our price: $415.00
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Our price: $59.50
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