5-Metal Equal Mass Cylinders Set (Zinc, Copper, Aluminum, Tin, Lead) Included_Rod & Base & Clamps this concave glass mirror at

this concave glass mirror at 100mm focal length runs at f/1 for vivid real-image demos and converging-reflection work

and inspection details

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

both striking the ground together

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

5-Metal Equal Mass Cylinders Set (Zinc, Copper, Aluminum, Tin, Lead) Included_Rod & Base & Clamps this concave glass mirror 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.