Lens Holder for 50mm Diameter Lens or Mirror Item Type_Tongs 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

a 50mm double-convex glass lens spanning 300-1000mm focal lengths gives projection-style optics setups a single range-rated element

Spark in 20mm

Wood-based hydrostatic balance with two long pans and one short pan adjustable along a central column

Stand-mounted force pump illustrating positive-displacement fluid transfer against gravity

Lens Holder for 50mm Diameter Lens or Mirror Item Type_Tongs Six-piece polypropylene beaker set spansVersatile holder accepting either a 50mm diameter lens or mirror, the dual purpose mount giving optics setups one fewer accessory to track across reflection and refraction experiments.