Spherometer with Brass Dial Head and 3 Stainless Steel Legs, 2.5" Subcategory_Wash Bottles 5% accuracy on a 60mm

5% accuracy on a 60mm scale

Polypropylene round test tube rack holding 12 tubes — four at 25 mm and eight at 19 mm — with 360-degree access for benchtop chemistry demonstrations and student experiments

Nine dissectable sections separate the enlarged eye from its orbital cavity

Stackable 300mm red 4mm lead rated to 12A with nickel-plated split-hollow safety plugs at both ends

Spherometer with Brass Dial Head and 3 Stainless Steel Legs, 2.5" Subcategory_Wash Bottles 5% accuracy on a 60mmRadius of curvature spherometer at 2. 5 inches with a 40 mm brass dial head, three stainless steel legs, and a 1 mm pitch micrometer scale from 0 to 10 mm for lens measurement.