Borosilicate Glass Vigreux Column Glass Columns & Condensers_Liebig Condensers this 40-piece optical bench kit

this 40-piece optical bench kit pairs an aluminum track and sliding holders with lamp

the wider square-face proportions handling broader incident beams in dispersion and refraction demonstrations

and potential-energy student investigations

sized to protect a pair of 50mm (2-inch) bar magnets between lessons and isolate them from steel benchtops

5 inches with a 40 mm brass dial head

Borosilicate Glass Vigreux Column Glass Columns & Condensers_Liebig Condensers this 40-piece optical bench kitIndented internal baffles increase vapor liquid contact surface for fractional distillation of multi component mixtures in organic chemistry synthesis.