Spare 3" O-Ring Belt for Van de Graaff Generator Human Anatomy_Human Anatomy Models handling moderate pressure in benchtop

handling moderate pressure in benchtop fluid lines with resistance to temperature and chemical extremes

this demo motor on a molded ABS base operates at 6-8V to demonstrate visible-spectrum color mixing

28 inch outer diameter for glassblowing

One-microfarad electrolytic capacitor in an ABS module with 4mm sockets

Hand-crank centrifuge spins four 15mL tubes for teaching sedimentation

Spare 3" O-Ring Belt for Van de Graaff Generator Human Anatomy_Human Anatomy Models handling moderate pressure in benchtopSpare 3 inch O ring drive belt sized to the smaller Van de Graaff pulleys, kept on hand to keep electrostatic generators running once the originals stretch out of tolerance.