This enclosed case form of an electroscope is economical as well as compatible with other apparatuses so one can carry out many electrostatics experiments. The all-plastic construction prevents air flow from interfering with the deflection of leaves, but the transparent design allows observation from all directions. Grounding eliminates deflections caused by charges residing in the case.
• Includes 1 pair of aluminum leaves
• Additional aluminum leaves available (Item #3135-02)