The apparatus consists of six metal rods, one each of copper, iron, lead, aluminium, steel and
zinc of size about 150x3 mm (length x diameter) fixed horizontally through holed rubber
bungs inside a sheet metal trough of size about 150x90x100mm(lengthxwidthxheight) having
six holes on one side
Plastic Handle
Wooden Handle
*Note: image shown above is for illustration purpose only; Actual image may vary due to specification, Design, Technology and R&D.*
