Their electromagnet consisted of a horseshoe shaped piece of iron to form a core with 16 turns of wire wrapped around it without touching each other.
(Their electromagnet; consisted; of a horseshoe shaped piece of iron) (horseshoe; shaped; piece of iron to form a core with 16 turns of wire) (16 turns of wire; wrapped; around it)
Their electromagnet horseshoe 16 turns of wire
consisted shaped wrapped
of a horseshoe shaped piece of iron
piece of iron to form a core with 16 turns of wire
around it