US$ 32.00
5m optical bench
letting students sweep through resonance and watch amplitude peak when drive matches natural pitch
this classroom Van de Graaff kit demonstrates charge conservation
and cytoplasm for classroom cell biology instruction
Barlow's Wheel with Heavy Duty Base Science at Home_Physical Science 5m optical benchBarlow's Wheel apparatus with neodymium magnets and a heavy base, illustrating the Lorentz force as current crossing the magnetic field sets a low friction wheel in motion.
US$ 32.00
US$ 345.00
US$ 54.99
US$ 14.99