Introductory Optical Bench Set with Lamp Housing and Lens Holder Subcategory_Electrostatics Four-finish Leslie's cube in tinplate

Four-finish Leslie's cube in tinplate at 13cm per side — blackened

Sodium chloride lattice kit with 27 color-coded gray and green atoms plus 54 connectors for building the full cubic NaCl crystal structure in three dimensions

sized for cleaning narrow-diameter tubes

delivering wheel-driven power to a lamp or a Newton color disc

the half-size circulatory model traces arterial and venous pathways from heart to peripheral capillaries

Introductory Optical Bench Set with Lamp Housing and Lens Holder Subcategory_Electrostatics Four-finish Leslie's cube in tinplateSliding rail aluminum bench with 1. 2m measuring tape, a lamp house, universal 50 x 50mm slide holders, pin and gauge objects, slits, scale, concentric circles, and a dual scale screen.