This is a very different coil construction that I haven't seen before or seen mentioned here. Maybe it has a spinoff use for our interests? Maybe a wire version instead of plates? Maybe a combination of a "conventional" coil with a Bitter coil? Maybe of no use ....
http://www.hfml.science.ru.nl/20t-magnet.html (http://www.hfml.science.ru.nl/20t-magnet.html)