2-Prong Adjustable Clamp, 8-30mm Capacity, Vinyl-Coated Jaws Glassware_Glass Bottles supporting both qualitative and quantitative

supporting both qualitative and quantitative force-vs-distance student investigations

Battery-or-mains low-frequency generator producing sine

8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction

Cover-protected single-phase rheostat with constantan winding and 4mm safety socket terminals

2-Prong Adjustable Clamp, 8-30mm Capacity, Vinyl-Coated Jaws Glassware_Glass Bottles supporting both qualitative and quantitativeTwo prong adjustable clamp with an integral bosshead and vinyl coated nonslip jaws, gripping burettes, tubes, and flask necks from 8 to 30 mm in diameter.