Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 16.5mm Thick Electricity & Magnetism_Circuits uniform dimensions isolating the material

uniform dimensions isolating the material variable

Six-piece polypropylene beaker set spans 50mL to 2000mL for complete classroom and lab volumetric workflows without glass breakage risk

sized for middle-school anatomy teaching

Largest metal displacement vessel in the series at 225 by 125mm with a side spout

Compact right-angled acrylic prism at 25mm length and 35mm hypotenuse

Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 16.5mm Thick Electricity & Magnetism_Circuits uniform dimensions isolating the materialDouble concave glass lens at 50mm diameter and 100mm focal length, a thick 16. 5mm blank with optically true surfaces, the diverging curvature producing virtual upright images for refraction work.