Nikola Tesla U.S. Patent 567,818 - Electrical Condenser | Tesla Universe

1 messages · 2018-10-06T14:37:52+00:00 → 2018-10-06T14:37:52+00:00
https://teslauniverse.com/nikola-tesla/patents/us-patent-567818-electrical-condenser
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FYI, There is a huge difference between capacitors and old definition condenser.