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01691 770366   |   sales@selectschoolsupplies.co.uk

 
 
 

Spring Unit

£28.00

£28.00

802090


For showing conversion of potential energy stored in twisted rubber to kinetic/electrical energy. Elastic bands are looped & stretched between pulley and support. A crank handle and pulley combined with ratchet stop allows the rubber to be wound up and released to drive a dynamo, supplied without dynamo.

*PLEASE NOTE WE ONLY SUPPLY CHEMICALS TO EDUCATIONAL ESTABLISHMENTS *

Please contact us if you need more informaton on this product

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