Spherometer with Brass Dial Head and 3 Stainless Steel Legs, 2.5" Subcategory_Lab Jacks 4A single-phase rheostat with cover-protected

4A single-phase rheostat with cover-protected constantan winding on a 200x56mm tube and 4mm safety socket terminals

Wide sound-radiating surface on this lightweight tuning fork lets it stand upright on its own footprint

Equal-mass density set in aluminum

dual bore sights

this 500mm black lead pairs a 4mm plug at one end with a crocodile clip at the other

Spherometer with Brass Dial Head and 3 Stainless Steel Legs, 2.5" Subcategory_Lab Jacks 4A single-phase rheostat with cover-protectedRadius 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.