Double Extra Dense Flint Glass Prism, 1.25", R=1.71-1.74 Prong_3 used to study Snell's law

used to study Snell's law

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

20 MHz BandwidthDigital Readout with Backlit LCDSharp Trace CRT and Auto focusStable Triggering up to 40 MHzX 10 Magnification20ns max Sweep SpeedAlternate TriggeringGold Plated BNC Connectors

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

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

Double Extra Dense Flint Glass Prism, 1.25", R=1.71-1.74 Prong_3 used to study Snell's lawDouble 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.