Extra Dense Flint Glass Prism, R=1.65 Prong_3 Class-visible 12-inch demonstration meter with

Class-visible 12-inch demonstration meter with magnetically damped moving coil and Perspex front-and-back panels

Larger-spark 100mm induction coil from a 6-12V DC input with adjustable vibrator and base-mounted suppression capacitors

this brass cylinder on an ebonite-insulated base demonstrates Faraday-cage shielding and uniform-curvature charge density

5-meter bench on leveling-screw feet

Extra Dense Flint Glass Prism, R=1.65 Prong_3 Class-visible 12-inch demonstration meter withHeavy flint glass prism at refractive index 1. 65, the leaded body delivering pronounced spectral separation for comparing dispersion against crown and flint baselines.