http://www.flickr.com/photos/harvich/3933345200/ 47 Turn/ 10 ft Diameter/1500 ft 14 gauge Secondary for Magnifier Experiments.
Primary later placed as three winds of thick insulated 00 gauge aluminum around the base circumference laterally outwards from the first wind, so that the primary has a better mutual inductance with the driving secondary. HDN Pioneering the Applications of Interphasal Resonances http://tech.groups.yahoo.com/group/teslafy/
