Lahovski's Multi-Wave Oscillator, first built back in the 1920's as a combined effort between George Lahovski and Nickolas Tessala. AxiomID along with a renound electronics engineer and inventor has recreated the machine in accordance with the original patents. The machine seems to produce the same results as the original but without the electronic problems.
Water Cooler
HVAC Controller
Toothbrush Steam Cleaner
 
 

Air Pump