US$ 149.95
producing oxygen's characteristic emission lines for spectroscope viewing of atomic-emission and quantum-energy levels
Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures
letting students trace renewable-energy conversion step by step
Built from two counter-rotating foil-sectored plates with a belt drive and a pair of Leyden-jar condensers
Premium Newton's cradle at 7
2-Prong Universal Clamp, Cork-Lined Mechanics_Force & Motion producing oxygen's characteristic emission linesCork lined jaws on this two prong universal clamp grip glassware without scratching, suitable for securing tubes and flask necks in general laboratory assemblies.
US$ 149.95
US$ 139.95
US$ 139.95
US$ 96.85
US$ 104.00
US$ 96.85