US$ 501.43
a sliding front door
Diffraction grating mounted on a 90 x 40mm card slide
this classroom Van de Graaff kit demonstrates charge conservation
and great vessels on a mounted base for cardiology and anatomy teaching
Glass tube 33 inches long with a cork piston riding on a stable wooden base
Electric Field Shape Demonstration Apparatus Physics_Heat & Thermodynamics a sliding front doorDesigned to make electric field lines visible, this apparatus aligns suspended particles in a liquid medium between charged electrodes to reveal dipole and parallel plate field shapes.
US$ 501.43
US$ 26.10
US$ 86.62
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US$ 150.56
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