Description
the moderate curvature spreading light gently for divergence and virtual-image-formation work in refraction demos
Locking control at any extension on this two-meter retractable tape measure
the 90-45-45-degree faces redirecting wider beams for total internal reflection and image-inversion work
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 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.
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