Description

producing audible beats when sounded against its fixed-frequency partner on the matching wooden resonance base

Pan balance demonstration lever with a low-friction brass pivot

the four-sided geometry letting students explore deviation through non-equilateral cross-sections

and 6V-powered ignition light staging each step

2m measuring tape

Standard Demonstration Dynamo with Hand Driver on Base cylinder producing audible beats when soundedHand 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.

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Standard Demonstration Dynamo with Hand Driver on Base cylinder producing audible beats when sounded

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