American Educational Electroscope with Electrostatic Balls, 4.5" Base x 9" H
- Electroscope with electrostatic balls
- A visible demonstration of electrostatic activity is achieved with this unit
- The electrostatic balls are suspended on an aluminum hook attached to a solid base
- When a static change is brought near the balls
- Measures 4-1/2" base diameter by 9" overall height