5-Metal Equal Mass Cylinders Set (Zinc, Copper, Aluminum, Tin, Lead) Included_Rod & Base & Clamps Research-grade oxygen spectrum tube at

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

Miniature desktop torso with 12 removable parts includes a dissectable head and brain for compact classroom anatomy and biology teaching

the unit also runs as a motor on 6-8V DC for energy conversion demos

transmitting light end-to-end via total internal reflection to give a tabletop analogue of a fiber-optic cable

and inspection details

5-Metal Equal Mass Cylinders Set (Zinc, Copper, Aluminum, Tin, Lead) Included_Rod & Base & Clamps Research-grade oxygen spectrum tube atFive cylinder equal mass set at 30g each in zinc, copper, aluminum, tin, and lead with densities from 2. 7 to 11. 3 g cm, giving students a wide reference range for density analysis.