![Proof Plane, Small](http://www.arborsci.com/cdn/shop/products/Proof_Plane_1500x1000_24b3743b-b57a-49c9-b2cf-ec9d3fd9fc50_1445x.jpg?v=1577723036)
Additional Details
This small Proof Plane has a solid brass disk attached to an insulating brass composite handle. It is used for transferring charge, or investigating charge distribution, in electrostatic investigations. Use with a Van de Graaff, Leyden Jar or show these effects using the E-Field Detector. Plate size: 20mm
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.