Concave Glass Mirror, 50mm Diameter, 300mm Focal Length Rod Material_Stainless Steel and membrane systems for introductory

and membrane systems for introductory cell biology teaching

Perforated 2mm-hole grid at 1cm intervals on an irregular-shaped body mounted at its center of gravity

Compares liquid-expansion rates by suspending five removable glass bulbs-and-tubes in a shared heated water trough

each 12-25g

tracing hot-air flow between the twin flues

Concave Glass Mirror, 50mm Diameter, 300mm Focal Length Rod Material_Stainless Steel and membrane systems for introductoryLong focal 50mm concave glass mirror at 300mm focal length and ~1. 8mm thickness, the gentle curvature supporting near collimated reflection and astronomical ray tracing analogues.