Description
Low-voltage DC motor with a current-limiting series resistor on a demonstration base with 4mm plug connections
and projection screen
equilibrium
bridge-balance
Built for amphibian development study
Physics Nylon Pulley with 30m Demonstration Cord Gifts_Kitchen Low-voltage DC motor with aCoated nylon demonstration cord 30 meters long on a cardboard cone, low friction enough to minimize error in pulley, pendulum, and simple machine force motion measurements.
Exchange/Return Notes
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