US$ 129.00
and membrane systems for introductory cell biology teaching
tracing hot-air flow between the twin flues
Perforated 2mm-hole grid at 1cm intervals on an irregular-shaped body mounted at its center of gravity
and human hair at loads up to 10kg
Compares liquid-expansion rates by suspending five removable glass bulbs-and-tubes in a shared heated water trough
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.
US$ 129.00
US$ 125.00