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

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

retaining field strength across years of classroom handling

inches of mercury

Illustrates liquid-density changes with temperature using a weighted 75mm hollow copper sphere that floats in 15°C water and sinks as the water warms to 30°C

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.