I want to make one of these. Have old bottles but where can i get the copper pipeing and stopper? Any ideas?
http://i4.ebayimg.com/04/i/000/94/f4/0746_1_b.JPG
maybe you can check medical or lab supply places for the stoppers. Check the home building supply for the copper. There is a site posted over on Garden Junk where you can buy the part that goes into the bottles for hummingbird feeders. Try searching that site for their source.
one kind is at: http://www.humming-birds.com/parts.html