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Products
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AC and DC Hand Dynamo
Double your teaching and experimental possibilities - demonstrates AC and DC properties! With this unit both alternating & direct current AC and DC hand dynamo can be demonstrated. By turning the handle the current that is produced can be seen as it lights the lamp. The quicker the handle is turned, the brighter the light. Instructions included.
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Hand-Driven-Generator- is a kind fashion product from Hema brand factory. As the manufacturer and supplier in China, we provide customized service and make newest and fashion Hand-Driven-Generator- in classy quality. Contact us for lastest selling Hand-Driven-Generator- and advanced items. Welcome to to place bulk orders. Low price can be discussed.
