Optically Worked Double Convex Glass Lens, 150mm Focal Length, 38mm Diameter Entomology & Zoology_Entomology Supplies 3oz each in a 2-pack

3oz each in a 2-pack for double-sized chemistry-themed drinking vessels

Sixty-five-piece molecular model set with 32 atoms and 33 bonds for demonstrating bonding angles

Hand-painted arterial red and venous blue vessels trace the full systemic and pulmonary circulation across a mounted human figure for cardiovascular teaching

teaching electromagnetism

and copper supports density

Optically Worked Double Convex Glass Lens, 150mm Focal Length, 38mm Diameter Entomology & Zoology_Entomology Supplies 3oz each in a 2-packOptically worked glass double convex lens with a 150mm focal length and 1. 5 inch diameter, polished with ground edges for image formation experiments in introductory optics.