KINETIC THEORY FOAM FLOAT
- PA1990-005
Kinetic Theory, polystyrene foam float. With hard surface on one side for balls to react against. Rests over the s/steel balls and rises up the scale to show the 'pressure' of the simulated gas.
Kinetic Theory, polystyrene foam float. With hard surface on one side for balls to react against. Rests over the s/steel balls and rises up the scale to show the 'pressure' of the simulated gas.