a new type of coil magnet in which the plane of each turn of the conducting coil is rotated with respect to the central axis . this results in the induced magnetic field being oriented off the central axis . a set of two such disk assemblies are preferably nested , with the current flowing in opposite directions within the two assemblies . this results in the components of the two induced magnetic fields lying along the center axis canceling each other out , leaving only a purely transverse magnetic field . in addition , variations in the angular offset of the nested coils can be used to create a magnetic field having almost any orientation . three or more such nested disk assemblies can be employed to strengthen and adjust the transverse magnetic field .