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Your cart is empty.Extra large apparatus ideal for classroom demonstrations Great tool to discover electrostatic principles such as conduction, induction and coulomb repulsion Clear front pane lifts up to allow easy application of ionizing materials Eisco Labs Large Needle Electroscope This extra large electroscope is ideal for classroom demonstrations of electrostatic principles. A light-weight metal vane is used as a pointer in the electroscope. This light weight metal blade deflects when the electroscope plate is charged. A transparent scale is provided to measure the angle of the deflection. Front glass window slides up to allow insertion of ionizing material in chamber. This electroscope comes with two accessories: an electrophorus disc and a spherical electrode. Assembled, the electroscope measures 9.75 x 8 x 4.75 inches.
Customer
Reviewed in the United States on July 26, 2016
The glass in both sides were broken upon arrival. The needle is not balances so it would not sit vertical even with no charge. I needed a very simple device to look at some charging issues and this device does not work at all.
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