The Eisco Labs Aluminum Foil Electroscope, for observing polarity through the detection of electrical charge, is composed of a conical glass flask with a Disco brass rod and aluminum foil supported by a rubber stopper.
The Eisco Labs Aluminum Foil Electroscope, for observing polarity through the detection of electrical charge, is composed of a conical glass flask with a Disco brass rod and aluminum foil supported by a rubber stopper.