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| Calorimeter Electric | Calorimeter Electric | Powerwheel Water Turbine Hydro Generator |
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Catalog #: 741-10
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Catalog #: 741
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Catalog #: 7006-8
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Our price: $12.50
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Our price: $8.90
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Our price: $164.50
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| Water Turbine Apparatus | Transformation of Energy | Solar Car Electricity |
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Catalog #: 7006-5
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Catalog #: 7005-17
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Catalog #: 7005-10
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Our price: $59.50
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Our price: $415.00
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Our price: $16.50
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| The Wind Generator | Windmill Demonstrator | Solar Cell Demonstration |
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Catalog #: 7003-8
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Catalog #: 7003-1
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Catalog #: 7002-10
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Our price: $48.50
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Our price: $49.50
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Our price: $26.50
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| Copper Voltameter Electrolysis Apparatus | Hoffman Electrolysis Apparatus with Hardware & Power Supply | Hoffman Electrolysis Apparatus Complete with Stand |
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Catalog #: 2028
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Catalog #: 2017-20HP
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Catalog #: 2017-20H
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Our price: $15.25
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Our price: $144.50
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Our price: $99.50
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| Hoffman Electrolysis Apparatus Glass Part And Electrodes | Thermocouple Demonstration | Handheld DC Hand Generator |
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Catalog #: 2017-20
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Catalog #: 1997
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Catalog #: 1978-1
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Our price: $54.50
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Our price: $3.00
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Our price: $12.50
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