Conductivity Apparatus, Ingen Hausz’s, On Stand

Comprises a sheet metal trough having seven holes at the top (six in one row and one at a side) and mounted on four detachable metal legs. Six holes facilitate vertical mounting of six metal rods, one each of copper, iron, lead, aluminium, steel and zinc through holed rubber bungs, while the seventh one provides for filling the trough with water or mounting of thermometer, if needed. All metal rods have their one end deep inside the through while other end projecting outside. The trough and stand painted with scratch-resistant epoxy coating.