That means we can transmit energy great distances in its electrical form and ... Wrap the 4-inch nail with a coil of 25 to 50 turns of the wire. Connect one end of the coil to one terminal ...

And so we have this example of reclaiming copper from ... it from relay coils and the main coil and shading coils of the fan motor. The bounty is melted down in an electric foundry and cast ...