Optically Worked Double Convex Glass Lens, 75mm Diameter, 300mm Focal Length, Alternate Model Capacity_125mL Autoclavable polypropylene draining basket measuring

Autoclavable polypropylene draining basket measuring 40 by 40 by 11 cm

retaining field strength across years of classroom handling

suited to transferring crucibles around open-flame chemistry work

the cylindrical concave curvature spreading light along a single axis for line-focus and divergence demos

Optically Worked Double Convex Glass Lens, 75mm Diameter, 300mm Focal Length, Alternate Model Capacity_125mL Autoclavable polypropylene draining basket measuringAlternate model 75mm double convex glass lens at 300mm focal length, the optically worked surfaces and ground polished edges parallel to the main line 300mm focal lens for backup stock use.