50mm Bristle Cylinder Cleaning Brush Glassware_Glass Bottles Pairs a 50mm length with

Pairs a 50mm length with 25mm faces on a polished acrylic equilateral prism

95A single-phase rheostat on a 300x56mm tube with cover-protected constantan winding and 4mm safety socket terminals

providing a low-resistance reference for Ohm's-law and bridge investigations

and field magnet for direct observation as students trace how current produces rotation in a closed magnetic circuit

Designed for desk-scale refraction and dispersion work

50mm Bristle Cylinder Cleaning Brush Glassware_Glass Bottles Pairs a 50mm length withStainless wire spindle holds a 50mm bristle head for scrubbing graduated cylinders, jars, and wide vessels during glassware washing.