Description
bridge-balance
Built for amphibian development study
Current balance with a B
this 75mm Alnico bar resists demagnetization across years of classroom handling
equilibrium
Physics Nylon Pulley with 30m Demonstration Cord Gifts_Kitchen bridge-balanceCoated 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
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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