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

and steel cubes machined to the same 1

6 armatures

the 90-45-45-degree faces redirecting wider beams for total internal reflection and image-inversion work

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

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.