Round Convex Glass Mirror, 50mm Diameter, 200mm Focal Length Plastic Labware_Plastic Burettes 5-inch compact and 6-inch long-format

5-inch compact and 6-inch long-format units

Color-coded life-size brain model distinguishes cortical lobes

telophase — progress across this plant mitosis model for cell division teaching in biology courses

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

this replacement key matches the goggle sanitizer cabinet lock for classroom stockroom maintenance

Round Convex Glass Mirror, 50mm Diameter, 200mm Focal Length Plastic Labware_Plastic Burettes 5-inch compact and 6-inch long-formatPairs 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.