Flask Form Electroscope, United Scientific

Classroom electroscope housed in a 250 ml borosilicate flask.

• Activity guide included

This electroscope is housed in a 250 ml borosilicate flask with a metal rod attached to a rubber stopper. A pair of aluminum leaves is suspended from an alligator clip. The knob on top of the rubber stopper accepts a charge. When the charge enters the flask, the aluminum leaves separate.