Induction coil heater - Tankless water heaters consumer reports.
Induction Coil Heater
large induction coil
Induction coils were ogten called 'philosophical apparatus' back in the late 1800's . This one is producing a 5" spark
Induction coil at Bristol Dorkbot
Induction coil made by Colin Low, out of a Lucas car ignition coil and a 12V sealed lead-acid battery.
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