The apparatus consists of a simple conical flask with a rubber stopper supporting a metal rod whose lower end is flat and fitted with a leaf. The upper end of the rod is attached to a metal disc.

We are manufacturers and suppliers of the Simple Flask Electroscope, serving Algeria, Argentina, Australia, Bahrain, Bangladesh, Belgium, Bhutan, Brazil, Cambodia, Cuba, Cyprus, Denmark, Ecuador, Egypt, Ethiopia, Finland, France, Georgia, Germany, Ghana, Hungary, Iceland, Italy, Japan, Jordan, Kenya, Kuwait, Malaysia, the Philippines, Tanzania and Uganda.