US$ 112.61
and a selection of wound coils
dual bore sights
and 6V-powered ignition light staging each step
producing audible beats when sounded against its fixed-frequency partner on the matching wooden resonance base
Liquid propane Bunsen burner adds a flame stabilizer and adjustable air vent for consistent
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.
US$ 112.61
US$ 10.99
US$ 57.00
US$ 75.60
US$ 112.61
US$ 68.51