Equilateral Optical Glass Prism, 75mm Length, 25mm Faces Plastic Labware_Plastic Sets and Apparatus working off-line with a compatible

working off-line with a compatible battery-powered logger chain

this magnified animal cell model reveals organelle ultrastructure and cellular organization for advanced biology instruction

The waves generate nodes & antinodes & their full wave length or half wave length can be measured

Copper replacement rod at 19-11/16 by 1/4 inch sized for thermal linear expansion apparatus

deflecting a pivoting cobalt-steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field

Equilateral Optical Glass Prism, 75mm Length, 25mm Faces Plastic Labware_Plastic Sets and Apparatus working off-line with a compatibleDesigned for class front optics demos, a 75mm long optical quality equilateral glass prism with 25mm faces splits white light cleanly for dispersion and refraction work.