Building a water-drop generator, as the drawing show. What they don't indicate is that platforms and support are painted to waterproof the wood and make it less conductive. You should also remove the oily coating from inside the collector cans with grease solvent or by boiling in a detergent solution. Steel-wool the vertical seams on collector cans, the conducting wires, and the copper collecting rings. Then rosin-core-solder the wires to the can seams for a distance of 6", the rings to the wires a distance of 1/2". Wires can also be connected to cans by wrapping wire around them.
Water-Drop Generator |