Electroscope and it has parts to

and it has parts to make it into almost anything you can imagine

and a wrest pin for wires

The sliding-in center able condenser (NA1

including as a flocculant in water treatment

Collector's Item: Ideal for collectors

Electroscope and it has parts toMeasures magnitude of electrical charge. Durable metal casing. Slide out glass panels. Gold leaf can be replaceable. Scale for ease of measurement. Grounding connector. Premium Quality: Electroscope is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order