Origin of induction coil
Examples from the Web for induction coil
Faraday, as we have seen, discovered the principle of the induction-coil.
The commonest instance now of the use of the induction-coil is in the very frequent small machine known as a medical battery.Steam Steel and Electricity|James W. Steele
The induction-coil may be operated by a storage battery or dynamo.
The primary of the induction-coil is connected as shown, one end going to key K and the other to the buzzer circuit.Edison, His Life and Inventions|Frank Lewis Dyer and Thomas Commerford Martin
Henry also used an induction-coil spark to make the cylinder, the primary of the coil being in circuit with a battery and screen.