6-Piece Acrylic Prism and Lens Set with Wooden Storage Geology_Geology Charts & Models and strings for equilibrium and

and strings for equilibrium and vector experiments

providing an introductory tool for studies of induction

Built from two counter-rotating foil-sectored plates with a belt drive and a pair of Leyden-jar condensers

Two rectangular slots accept square or round rods up to 16 mm in this aluminum alloy multipurpose clamp holder

6-Piece Acrylic Prism and Lens Set with Wooden Storage Geology_Geology Charts & Models and strings for equilibrium andSix piece transparent acrylic prism and lens set with all faces polished, packaged in a wooden storage box, covering core dispersion and refraction shapes for ray box optics work.