US$ 44000.00
producing oxygen's characteristic emission lines for spectroscope viewing of atomic-emission and quantum-energy levels
ground to polished beveled edges and usable as a top-spinning base in secondary mechanics demonstrations
exposing the full urinary tract for combined anatomy and physiology teaching at 15 by 9 inches
25 inches tall with five 4
Piazi Flower Vertical Section Model Category_Science Gifts producing oxygen's characteristic emission linesPiazi flower vertical section model exposes the vascular bundle, ovary chambers, and reproductive structures for comparative botany teaching.
US$ 44000.00
US$ 40.00
US$ 157.00
US$ 1275.00
US$ 60225.00
US$ 80.00
US$ 10.95
US$ 150.00