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

tracing hot-air flow between the twin flues

each 12-25g

Generates a steady steam bath around a sliding thermometer through a 180 by 115mm copper vessel with filling tube

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.