Precision Projection Electroscope
Product Details:
View experiment results on a screen or in a group.
Project your measurements onto a screen for a large group to see with this well-made electroscope. Precision Projection Electroscope have cylindrical metal case has two parallel plane glass windows, both removable, through which you can shine a light for projection. Close fittings and quality materials insulate the leaf system so it says charged for several days in dry whether.