PIRA Classification: 5K10.51
Description: A large coil is connected to the headphone output of a radio. A second, smaller coil is connected to a audio amplifier/speaker. When the radio is turned on and the small coil is inserted perpendicularly to the large coil, the speaker will broadcast. Try to rotate one coil by 90 degrees. The signal will disappear.
Special Instructions: Change separation distance to change intensity.
Condition: Good
Setup time: 2 minutes
Safety Issues: None