Type-1 HSX magnet coil epoxy-impregnated, and mounted into its stainless steel support ring. The extra magnet coil mounted on the support ring is an auxiliary coil for fine-tuning the HSX magnetic field structure.

One of the 48 main coils during winding.

Design of coil support/alignment system (drawing).

Testing alignment system with wooden coil mock-ups.

Stainless steel coil support structure with rings.

Explosively-formed vacuum vessel component.

HSX fully assembled.