Double Extra Dense Flint Glass Prism, 1.25", R=1.71-1.74 Prong_3 exposing the longitudinal and transverse

exposing the longitudinal and transverse components of wave motion mechanically

Hand-cranked friction-wheel drive sandwiched between clear acrylic plates

sized to span single-cell up through stacked-battery voltages on a single classroom instrument

dropping a chosen capacitor into a circuit without unsoldering during introductory RC-circuit and resonance investigations at the bench

attached to a 10mm diameter 5

Double Extra Dense Flint Glass Prism, 1.25", R=1.71-1.74 Prong_3 exposing the longitudinal and transverseDouble extra dense flint glass prism at 1. 25 inch sides with refractive index between 1. 71 and 1. 74, the heaviest leaded flint giving the strongest dispersion in the comparison kit.