Economy Graphite Crystal Model Set Heat & Thermodynamics_Energy Transfer & Engines labeled on a wall-mountable backboard

labeled on a wall-mountable backboard

this ray box gives students a controllable light source for reflection

and distillation on a retort stand

chemically resistant for collecting gases over mercury in pneumatic-trough experiments

the smallest size in the series for pendulum and small-scale collision experiments where a compact projectile mass is needed

Economy Graphite Crystal Model Set Heat & Thermodynamics_Energy Transfer & Engines labeled on a wall-mountable backboardEconomy format graphite crystal model showing the layered hexagonal structure and the weak interlayer bonds responsible for graphite's slippery, lubricating properties.