Primary and Secondary Coil Set
- Consists of two coils wound with enamelled copper wire over heavy plastic spools fitting one within the other.
- The inner primary coil has 1250 turns of heavy wire and the outer.
- Secondary coil with 250 turns of fine wires.
- Both coils are equipped with binding posts and a soft iron core for induction studies.
- Square supports of thick insulating material are used as a vertical or horizontal mount.