Description
and a selection of wound coils
producing audible beats when sounded against its fixed-frequency partner on the matching wooden resonance base
dual bore sights
sodium benzoate
2m measuring tape
Standard Demonstration Dynamo with Hand Driver on Base cylinder and a selection of woundHand cranked pulley steps up to a smaller dynamo pulley through a rubber belt, lighting an LED at the 4mm sockets; the unit also runs as a motor on 6 8V DC for energy conversion demos.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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