Hand Driven Generator Unit Tax on Sales 0% these tough balls will take
$137.99
Description
these tough balls will take repeat smashes
With labels suitable for KS1 and KS2
Tilt and turn the tubes to watch the mesmerising movement
Dimensions: 140 x 114 x 39mm
• 1 object needle mounted in 6mm brass rod
Hand Driven Generator Unit Tax on Sales 0% these tough balls will takeFor demonstrating the variation of electrical output of a dynamo with its rate of rotation and the way in which the electrical load connected to it affects the amount of work required to drive it. The double stage step up gear system gives an overall ratio of approximately 1: 25.
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