Hartley's Rotatable Optical Disc Material_Muslin 9-piece organic chemistry and distillation

9-piece organic chemistry and distillation glassware set provides comprehensive apparatus for laboratory synthesis and separation procedures

and troubleshooting exercises

a 125 by 65 by 18mm acrylic rectangular block with beveled edges widens the visible refraction shift in Snell's law setups

with a (Br) marking visible on one face for easy identification

brain anatomy

Hartley's Rotatable Optical Disc Material_Muslin 9-piece organic chemistry and distillation230mm disc graduated 0 360 degrees in 1 degree steps locks in any position alongside a rotatable lamp house and six magnetic acrylic elements for full ray tracing studies of reflection and refraction.