Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 8mm Thick Geology Two-hundred-fifty-gram push-pull balance in an

Two-hundred-fifty-gram push-pull balance in an acrylic tubular body

producing oxygen's characteristic emission lines for spectroscope viewing of atomic-emission and quantum-energy levels

Used to convert a galvanometer into a 100mA ammeter

this clear dial provides a readable face for measuring angular displacement in physics setups

CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance

Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 8mm Thick Geology Two-hundred-fifty-gram push-pull balance in anGlass double concave lens at 50mm diameter and 100mm focal length, an 8mm thick blank delivering the same diverging behavior at lower mass for ray box and small mount setups.