Electrostatic Friction Rod Kit, 3 Cloths and 3 Rods Base_Hexagonal Solid wooden resonance box mounts

Solid wooden resonance box mounts four steel forks tuned to C 256Hz

providing a fixed sighting reference for telescope and spectrometer alignment on the optical bench

For 220V European mains

and mechanical-advantage experiments (stand base and support clamp sold separately)

the standard 30-60-90 geometry giving classic deviation behavior for comparing against equilateral and wedge geometries

Electrostatic Friction Rod Kit, 3 Cloths and 3 Rods Base_Hexagonal Solid wooden resonance box mountsElectrostatic friction rod kit pairing wool, cotton, and silk cloths with glass, ebonite, and acrylic rods for triboelectric charge generation experiments in series.