Double Extra Dense Flint Glass Prism, 1.25", R=1.71-1.74 Prong_3 attached to a 10mm diameter

attached to a 10mm diameter 5

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

this insulated wire keeps polarity color-coded across short branches in 4mm-socket student circuits

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

exposing the longitudinal and transverse components of wave motion mechanically

Double Extra Dense Flint Glass Prism, 1.25", R=1.71-1.74 Prong_3 attached to a 10mm diameterDouble 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.