Demonstration Spherometer Subcategory_Weights and Masses the moderate curvature spreading light

the moderate curvature spreading light gently for divergence and virtual-image-formation work in refraction demos

gripping objects up to 90 mm and mounting to support rods up to 15 mm for chemistry and physics setups

Red LED on a demonstration base with 4mm plug connections

the wider bore accepting full-size bar magnets while AC current drives the alternating field that rotates domains for demagnetization

and steel cubes machined to the same 1

Demonstration Spherometer Subcategory_Weights and Masses the moderate curvature spreading lightDemonstration spherometer with an oversized 133 mm dial head and baked enamel finish, letting an entire classroom read spherometer values before students work with benchtop units.