VFD Friction heater in progress
For Prices on a set of plans or a kits send me an Email at Frictionheater@hotmail.com with the subject ” Heater “
Experiments, inventions, patents, …
by F.E.N. · Published · Updated
For Prices on a set of plans or a kits send me an Email at Frictionheater@hotmail.com with the subject ” Heater “
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