Narrow-Angle Glass Prism, 20° x 80° x 80° Weight_250g Six-piece polypropylene beaker set spans

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

Single-degree graduations and a non-magnetic plastic case allow this 100mm tangent compass to mount on any tangent galvanometer for precise direction-and-deflection readings

Holds 50mm-diameter lenses upright on a free-standing wooden base

Compact regulated +15V DC power pack rated at 1 A

Lens set at 42mm diameter shipped with matching wooden supports

Narrow-Angle Glass Prism, 20° x 80° x 80° Weight_250g Six-piece polypropylene beaker set spansPairs a 20 apex with two 80 base angles on a glass wedge prism, the apex pushing deviation past the small angle regime for comparing thin prism vs. equilateral geometries.