Round Convex Glass Mirror, 50mm Diameter, 200mm Focal Length Plastic Labware_Plastic Burettes this polished hardwood funnel-and-burette stand

this polished hardwood funnel-and-burette stand adjusts height up to 18 inches for consolidated benchtop chemistry workflows

Cork-jawed safety tongs measuring 12 inches in stainless steel accommodate both round-bottom flasks and straight-sided beakers

Color-coded life-size brain model distinguishes cortical lobes

Research-grade oxygen spectrum tube at 26cm with a 10cm central capillary

Round Convex Glass Mirror, 50mm Diameter, 200mm Focal Length Plastic Labware_Plastic Burettes this polished hardwood funnel-and-burette standPairs 50mm of aperture with a 200mm focal length on a convex glass surface, the longer focal value yielding milder divergence for subtler virtual image reduction in optics work.