AKA "Saturns Tree" or the "Tree of Saturn", it is a well known, but often forgotten demonstration. It is very easy to do at home, but you must be carefull.. Lead is very poisonous! From "elements of chemistry" 1882, Page 255. http://books.google.com/books?id=TXQXAAAAYAAJ "Experiment 271 Dissolve 10 g of lead acetate sugar of lead in 250 cu em of Hs0 and add a few drops of C2H402 In this solution suspend a strip of Zn The Zn and Pb will change places leaving a solution of zinc acetate and a met