Double Extra Dense Flint Glass Prism, 1.25", R=1.71-1.74 Prong_3 sized for large-scale demonstrations of

sized for large-scale demonstrations of elastic potential energy and simple harmonic motion

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

with side arms bent at right angles and formed into jets at their tips

Automatic self-zeroing burette with reservoir features 50mL capacity for titration procedures with hands-free refilling and precise volumetric analysis

Collisions kit with a 48-inch track

Double Extra Dense Flint Glass Prism, 1.25", R=1.71-1.74 Prong_3 sized for large-scale demonstrations ofDouble 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.