Equilateral Acrylic Prism, 75mm Length, 25mm Faces Lab Equipment and Supplies_Audio Visual Equipment sized to read mid-stack battery

sized to read mid-stack battery voltages between the 5V and 15V meters in the line

the lightweight beveled body giving safer per-desk Snell's law and lateral-displacement demos

21-piece electrostatics set in a plastic case covering induction

Designed to generate and detect ultrasonic waves above the audible range

Transparent-cased 2V 20Ah lead-acid accumulator with removable handle and printed terminal markings

Equilateral Acrylic Prism, 75mm Length, 25mm Faces Lab Equipment and Supplies_Audio Visual Equipment sized to read mid-stack batteryDesigned for desk scale refraction and dispersion work, a 75mm long equilateral acrylic prism with 25mm faces refracts light through measurable angles for Snell's law and rainbow demos.