Demonstration Spherometer Subcategory_Weights and Masses supplying an inert electrode that

supplying an inert electrode that conducts current without contributing its own ions to the cell reaction

Locking control at any extension on this two-meter retractable tape measure

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

6 armatures

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

Demonstration Spherometer Subcategory_Weights and Masses supplying an inert electrode thatDemonstration 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.