PIRA: 5A40.70


  1.  Kelvin water dropper
  2. 2 tall, clear, plastic containers
  3. Large plastic beark
  4. Gallon jug of water
  1.  Place a clear container under each side of the water dropper and place the hanging wire into the container.
  2. Fill the can on top of the apparatus with water.
  3. Open the hose clamp near the top slightly if faster flow is needed to let the water flow freely through both nozzles.
  4. After a few moments you should see the electroscope leaf begin to rise. The neon light will flash each time the electroscope discharges.