Concave Glass Mirror, 50mm Diameter, 300mm Focal Length Rod Material_Stainless Steel Compares liquid-expansion rates by suspending

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

Eccentricity-of-center-of-gravity apparatus with a ductile parallelepiped and central plumb line

eight planet-tipped rods

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

Built for genetics instruction

Concave Glass Mirror, 50mm Diameter, 300mm Focal Length Rod Material_Stainless Steel Compares liquid-expansion rates by suspendingLong 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.