Clear Hand Crank Manual Crank Generator Model Electronic Mechanical Power Physics Experiment Student Laboratory Experiment Equipment Manual Science Experiment Chemistry Physical Natural Sciences
OLSKFUH
2. Multiple gears, tightly engaged, 4. The product comes with a light bulb, which can be directly powered by hand, or connected to a variety of electrical appliances for experimentation. 1. The rotation of the generator shaft drives the lamp shaft to illuminate the lamp and use it as a power source. 5. Can be used as a primary school experimental power supply 3. The handle can be rotated 360°, the use is flexible, and the experiment is more convenient.
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