Description
Product Description :
A small wooden table supports a Bakelite ring with three coils of enameled copper wire of 5, 10 and 15 turns respectively connected to the terminals at the edge of the base.
Product Description :
A small wooden table supports a Bakelite ring with three coils of enameled copper wire of 5, 10 and 15 turns respectively connected to the terminals at the edge of the base.