Equilateral Acrylic Prism, 150mm Length, 25mm Faces Subject_Zoology Yellow 300mm 2mm-stackable lead with

Yellow 300mm 2mm-stackable lead with nickel-plated split-hollow pins

this demonstrator surrounds a central magnet with 46 small compasses that align in a flowing dipole pattern

large and small helical springs

Die-cast body with plated brass parts anchors this cork-lined two-prong universal clamp

Rod-mounted metal bar and U-shaped gauge demonstrator with an insulated handle

Equilateral Acrylic Prism, 150mm Length, 25mm Faces Subject_Zoology Yellow 300mm 2mm-stackable lead withLong format 150mm length equilateral acrylic prism with 25mm faces, the elongated triangular body fitting wider beam refraction setups and class front dispersion demonstrations.