Lens Holder for 50mm Diameter Lens or Mirror Item Type_Tongs Stand-mounted force pump illustrating positive-displacement

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

sized for color-coded bench wiring at the positive rail

producing more sinusoidal oscillation than a standard helical spring for SHM studies

Long-and-narrow 6 by 1-inch plane glass mirrors arrive as 10-packs at ~2mm thickness

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

Lens Holder for 50mm Diameter Lens or Mirror Item Type_Tongs Stand-mounted force pump illustrating positive-displacementVersatile 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.