Description
with identical volumes across specimens for direct mass-density comparison
Used to crank a row of 16 cam-driven rods through a moving sine wave
this Wimshurst generator builds a visible high-voltage spark
and 6V-powered ignition light staging each step
Four-metal 32mm density cube set with hooks in brass
6-Piece Optical Lens Set, 3", Double Convex and Double Concave Physics_Mechanics with identical volumes across specimensSix piece 3 inch optical lens set combining three double convex and three double concave glass lenses at 200mm, 300mm, and 500mm focal lengths for comparative refraction experiments.
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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