In a message dated 11/30/98 2:07:25 PM Pacific Standard Time, tesla-at-pupman-dot-com writes: << > >Where does one get a copper sphere??? > >Xone102308-at-aol-dot-com > try old toilets-- some have copper floats. >> Try stores like Home Depot, Eagle, etc. they have copper floats for water tanks that are seamless and have 1/4" treads into the bottom. Farm supply stores also have these for feed tank systems for animals. Ed Sonderman