Equilateral Optical Glass Prism, 75mm Length, 25mm Faces Plastic Labware_Plastic Sets and Apparatus deflecting a pivoting cobalt-steel compass

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

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

Drilled 3/4-inch steel ball with an approximately 2

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

Equilateral Optical Glass Prism, 75mm Length, 25mm Faces Plastic Labware_Plastic Sets and Apparatus deflecting a pivoting cobalt-steel compassDesigned 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.