American Educational Electroscope with Electrostatic Balls, 4.5" Base x 9" H -
$14.99
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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
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